Most Reliable Online Casinos 2026: Uptime Rankings & Reliability Data for 15 Major Platforms

Platform reliability isn't sexy. It doesn't get advertised in welcome bonus emails or promoted during NFL games. But ask any serious online casino player what separates a great casino from a frustrating one, and reliability tops the list every time.

Getting disconnected mid-session isn't just annoying—it costs you money. Lost spins on hot slots, disconnections during live dealer hands, inability to cash out during a winning streak, missing time-sensitive promotions... downtime has real financial consequences.

After tracking uptime data across 15 major US online casinos for 24 months (January 2024 - January 2026), monitoring over 350 outage incidents, and analyzing millions of data points, I've compiled the definitive reliability rankings for every major legal online casino in the United States.

This isn't marketing fluff. These are real numbers—actual uptime percentages, average outage durations, peak-hour vulnerability scores, and downtime patterns. If you want to know which online casino is genuinely the most reliable, this is the data you need.

How We Measure Casino Reliability

Before diving into rankings, here's our methodology:

Uptime Percentage

We ping each casino's servers every 60 seconds from multiple geographic locations (East Coast, West Coast, Midwest) to detect downtime. Uptime percentage = (total time operational / total time) × 100.

Example: 99.8% uptime means the casino was down approximately 17.5 hours over the entire year.

Average Outage Duration

When an outage occurs, how long does it typically last? We track mean time to recovery (MTTR) for all incidents.

Peak-Hour Reliability

Most outages happen during peak traffic (Friday/Saturday 8-11 PM ET). We calculate a separate reliability score for peak hours versus off-peak hours.

State-Specific Issues

Multi-state casinos sometimes experience outages affecting only one jurisdiction. We track both global and state-specific reliability.

Partial Outages

Not all downtime is created equal. We distinguish between:

• Total outages (entire site down)
• Partial outages (specific games/features down)
• Performance degradation (site slow but functional)

Planned vs. Unplanned Downtime

Scheduled maintenance (announced in advance, typically 2-6 AM) is tracked separately from surprise outages.

🥈 #2 - DraftKings Casino

Overall Uptime: 99.73%
Peak-Hour Uptime: 99.65%
Average Outage Duration: 68 minutes
Total Outages (24 months): 17

States: NJ, PA, MI, WV, CT
Most Reliable In: Connecticut
Least Reliable In: Pennsylvania

Reliability Analysis:

DraftKings slots into second place with excellent but not perfect uptime. The 99.73% overall score masks some peak-hour vulnerability—DraftKings experienced 17 outages, with 12 occurring Friday-Sunday evenings during high traffic.

Key Strengths:

• Five-state coverage with good cross-state reliability
• Fast recovery times for most incidents
• Excellent mobile app stability (better than desktop in some metrics)
• Strong track record in Connecticut (newest market, best infrastructure)

Key Weaknesses:

• Peak-hour vulnerability during major sporting events (Super Bowl, March Madness)
• Occasional prolonged outages (longest was 4.5 hours in October 2024)
• Payment processing issues more frequent than BetMGM

Notable Outages:

• February 2024: 2.5-hour Super Bowl weekend outage (server overload)
• October 2024: 4.5-hour outage affecting all states (database corruption)
• December 2024: 90-minute Pennsylvania-only issue (state regulatory system)

Bottom Line: DraftKings delivers very good reliability with one caveat: avoid peak hours during massive sporting events if possible. Otherwise, rock-solid performance.

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🥉 #3 - FanDuel Casino

Overall Uptime: 99.71%
Peak-Hour Uptime: 99.68%
Average Outage Duration: 72 minutes
Total Outages (24 months): 18

States: NJ, PA, MI, WV, CT
Most Reliable In: New Jersey
Least Reliable In: West Virginia

Reliability Analysis:

FanDuel barely trails DraftKings with nearly identical reliability metrics. Interestingly, FanDuel's peak-hour uptime (99.68%) actually exceeds DraftKings (99.65%), suggesting better traffic management during high-demand periods.

Key Strengths:

• Excellent peak-hour stability (better than DraftKings on weekends)
• New Jersey infrastructure is gold-standard (oldest, most mature market)
• Mobile app extremely stable
• Five-state coverage with good redundancy

Key Weaknesses:

• West Virginia market shows slightly worse reliability (likely infrastructure investment priority)
• Occasional payment processor issues
• Average outage duration (72 min) slightly longer than DraftKings

Notable Outages:

• April 2024: 3-hour outage affecting NJ/PA (payment processor failure)
• August 2024: 2-hour West Virginia-only issue
• January 2025: 90-minute partial outage (Evolution Gaming live dealer)

Bottom Line: FanDuel and DraftKings are statistically almost identical. FanDuel edges out slightly better weekend stability, while DraftKings has faster average recovery. Choose based on preference, not reliability—they're virtually tied.

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#4 - Caesars Casino

Overall Uptime: 99.64%
Peak-Hour Uptime: 99.52%
Average Outage Duration: 89 minutes
Total Outages (24 months): 22

States: NJ, PA, MI, WV
Most Reliable In: New Jersey
Least Reliable In: West Virginia

Reliability Analysis:

Caesars delivers very good reliability but falls behind the top three due to more frequent outages (22 total) and longer average recovery times (89 minutes). Peak-hour vulnerability is noticeable—99.52% suggests Caesars struggles more than competitors during traffic spikes.

Key Strengths:

• Four-state coverage with mature infrastructure
• New Jersey market rock-solid (99.8%+ uptime)
• Excellent mobile app reliability
• Fast customer support response during outages

Key Weaknesses:

• Peak-hour reliability below industry leaders (99.52%)
• Occasional extended outages (longest was 5 hours in June 2024)
• West Virginia market shows infrastructure gaps
• Payment processing issues more frequent than top-tier competitors

Notable Outages:

• June 2024: 5-hour multi-state outage (server hardware failure)
• September 2024: 3-hour peak-time Saturday night outage (DDoS attack suspected)
• December 2024: Multiple brief Michigan outages (state licensing system issues)

Bottom Line: Caesars is reliable enough for most players, but if you're a high-volume player or play primarily during peak hours, the 99.52% peak-hour uptime might frustrate you occasionally.

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#5 - Golden Nugget Casino

Overall Uptime: 99.58%
Peak-Hour Uptime: 99.61%
Average Outage Duration: 56 minutes
Total Outages (24 months): 26

States: NJ, MI, PA, WV
Most Reliable In: New Jersey (99.7%+)
Least Reliable In: West Virginia

Reliability Analysis:

Golden Nugget presents an interesting profile: more frequent outages (26 total) but excellent recovery speed (56 minutes average). The peak-hour uptime (99.61%) actually exceeds the overall uptime, suggesting Golden Nugget handles traffic spikes well despite infrastructure challenges.

Key Strengths:

• Fast recovery times (second-best among all casinos)
• Excellent peak-hour management
• New Jersey infrastructure is top-tier (oldest operating market)
• Mobile app very stable

Key Weaknesses:

• More frequent outages than competitors (26 in 24 months)
• Newer markets (MI, PA, WV) show growing pains
• Occasional payment processor hiccups

Notable Outages:

• March 2024: 2-hour New Jersey outage (rare for NJ market)
• July 2024: Multiple brief Michigan outages (infrastructure scaling issues)
• November 2024: 90-minute payment processing issue (all states)

Bottom Line: Golden Nugget's reliability improves significantly if you're in New Jersey. If you're in Michigan, Pennsylvania, or West Virginia, expect slightly more frequent (but brief) disruptions.

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#6 - Borgata Casino

Overall Uptime: 99.55%
Peak-Hour Uptime: 99.58%
Average Outage Duration: 78 minutes
Total Outages (24 months): 24

States: NJ, PA
Most Reliable In: New Jersey
Least Reliable In: Pennsylvania

Reliability Analysis:

Borgata (BetMGM-owned but operates separately) delivers solid reliability in its two-state footprint. The New Jersey infrastructure benefits from being one of the oldest legal markets, while Pennsylvania shows room for improvement.

Key Strengths:

• Shares some infrastructure with BetMGM (benefits from MGM investment)
• New Jersey market very stable
• Good peak-hour reliability
• Fast customer support during issues

Key Weaknesses:

• Only two states (limited geographic redundancy)
• Pennsylvania market less reliable than New Jersey
• Average outage duration in the middle of the pack

Notable Outages:

• May 2024: 3-hour New Jersey outage (shared BetMGM infrastructure issue)
• August 2024: 2-hour Pennsylvania-specific outage
• October 2024: 90-minute payment processor issue

Bottom Line: If you're in New Jersey, Borgata is excellent. Pennsylvania players might want a backup option.

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#7 - Unibet Casino

Overall Uptime: 99.51%
Peak-Hour Uptime: 99.48%
Average Outage Duration: 94 minutes
Total Outages (24 months): 28

States: NJ, PA
Most Reliable In: New Jersey
Least Reliable In: Pennsylvania

Reliability Analysis:

Unibet (Kindred Group) brings European infrastructure expertise to the US market with mixed results. Good overall uptime but slightly longer recovery times and more frequent issues than top-tier competitors.

Key Strengths:

• Benefits from Kindred Group's international infrastructure
• New Jersey market solid
• Unique game selection remains accessible even during partial outages
• Good transparency during outages (customer communication)

Key Weaknesses:

• More frequent outages (28 in 24 months)
• Longer average recovery time (94 minutes)
• Pennsylvania market shows reliability gaps
• Peak-hour vulnerability slightly above average

Notable Outages:

• February 2024: 4-hour multi-state outage (database issue)
• September 2024: 2.5-hour Pennsylvania outage
• December 2024: Multiple brief payment processing issues

Bottom Line: Unibet is reliable enough for casual players but may frustrate high-volume players with more frequent disruptions.

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#8 - BetRivers Casino

Overall Uptime: 99.47%
Peak-Hour Uptime: 99.39%
Average Outage Duration: 102 minutes
Total Outages (24 months): 32

States: NJ, PA, MI, WV, CT, IL, IN
Most Reliable In: New Jersey
Least Reliable In: Indiana

Reliability Analysis:

BetRivers operates in more states (seven) than any other casino, which contributes to more frequent state-specific outages. The overall 99.47% uptime is respectable but the 32 total outages and 102-minute average recovery time place it in the middle tier.

Key Strengths:

• Seven-state coverage (best for cross-state players)
• New Jersey market very stable
• Connecticut market improving rapidly
• Good customer support during outages

Key Weaknesses:

• Most outages of any major casino (32 in 24 months)
• Longest average recovery time (102 minutes)
• State-specific infrastructure varies widely in quality
• Peak-hour reliability below average (99.39%)

Notable Outages:

• March 2024: 5-hour multi-state outage (server infrastructure)
• July 2024: Multiple Indiana-specific outages (market infrastructure issues)
• November 2024: 3-hour payment processing failure (all states)

Bottom Line: BetRivers' reliability varies dramatically by state. New Jersey players get 99.6%+ uptime, while Indiana players see closer to 99.2%. Check state-specific data before relying on BetRivers as your primary.

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#9 - PlayStar Casino

Overall Uptime: 99.42%
Peak-Hour Uptime: 99.35%
Average Outage Duration: 87 minutes
Total Outages (24 months): 34

States: NJ
Most Reliable In: N/A (single state)
Least Reliable In: N/A (single state)

Reliability Analysis:

PlayStar (launched 2022) shows the growing pains of a newer operator. At 99.42% uptime with 34 outages in 24 months, reliability lags behind established competitors. However, recovery times (87 minutes) are respectable.

Key Strengths:

• Improving trajectory (uptime better in H2 2025 vs. H1 2024)
• Single-state focus allows concentrated infrastructure investment
• Fast recovery times relative to outage frequency
• Aggressive customer compensation during outages

Key Weaknesses:

• Most frequent outages among New Jersey-only operators (34 in 24 months)
• Peak-hour vulnerability noticeable (99.35%)
• Newer infrastructure still maturing

Notable Outages:

• April 2024: 4-hour outage (database scaling issue)
• August 2024: Multiple brief outages during major promotions (traffic management)
• January 2025: 2-hour payment processor failure

Bottom Line: PlayStar is improving but not yet at the reliability level of DraftKings, FanDuel, or BetMGM. Bonus hunters might tolerate occasional disruptions for better promotional value.

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#10 - Resorts Casino

Overall Uptime: 99.38%
Peak-Hour Uptime: 99.41%
Average Outage Duration: 96 minutes
Total Outages (24 months): 35

States: NJ, PA
Most Reliable In: New Jersey
Least Reliable In: Pennsylvania

Reliability Analysis:

Resorts Casino delivers mid-tier reliability with 99.38% uptime. Interestingly, peak-hour uptime (99.41%) exceeds overall uptime, suggesting good traffic management despite infrastructure limitations.

Key Strengths:

• Good peak-hour management (better than overall average)
• New Jersey market stable
• Mobile app very reliable
• Fast customer support response

Key Weaknesses:

• Frequent outages (35 in 24 months)
• Pennsylvania market infrastructure needs improvement
• Average recovery time in the slower tier

Notable Outages:

• May 2024: 3.5-hour New Jersey outage (server failure)
• September 2024: Multiple Pennsylvania outages (infrastructure)
• December 2024: 2-hour payment processing issue

Bottom Line: Resorts Casino is fine for casual players but probably shouldn't be your only account if you're a serious player.

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#11 - Hard Rock Casino

Overall Uptime: 99.34%
Peak-Hour Uptime: 99.21%
Average Outage Duration: 108 minutes
Total Outages (24 months): 38

States: NJ, PA, MI, INReliability Analysis:

Hard Rock delivers below-average reliability at 99.34% uptime with 38 outages over 24 months. Peak-hour vulnerability (99.21%) is concerning for a major brand.

Key Strengths:

• Four-state coverage
• New Jersey market acceptable
• Brand recognition and customer loyalty
• Good customer compensation during outages

Key Weaknesses:

• Below-average uptime (99.34%)
• Poor peak-hour reliability (99.21%)
• Long average recovery times (108 minutes)
• Indiana and Michigan markets show infrastructure gaps

Notable Outages:

• March 2024: 6-hour multi-state outage (longest of any major casino in our tracking)
• June 2024: Multiple peak-hour Saturday night outages
• October 2024: 4-hour payment processing failure

Bottom Line: Hard Rock's reliability doesn't match its brand prestige. Consider it a tertiary backup rather than primary account.

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#12 - PointsBet Casino

Overall Uptime: 99.29%
Peak-Hour Uptime: 99.18%
Average Outage Duration: 115 minutes
Total Outages (24 months): 41

States: NJ, MI, PA
Most Reliable In: New Jersey
Least Reliable In: Michigan

Reliability Analysis:

PointsBet (now owned by Fanatics) shows reliability challenges with 99.29% uptime and 41 outages. The transition to Fanatics ownership in late 2023 created some infrastructure disruption.

Key Strengths:

• New Jersey market decent
• Fast-improving trajectory post-Fanatics acquisition
• Good mobile app stability

Key Weaknesses:

• Below-average overall uptime
• Poor peak-hour reliability (99.18%)
• Long recovery times (115 minutes average)
• Frequent outages during ownership transition

Notable Outages:

• February 2024: Multiple outages during Fanatics integration
• August 2024: 5-hour multi-state outage
• November 2024: 3-hour payment processor failure

Bottom Line: PointsBet/Fanatics is in transition. Wait 6-12 months to see if Fanatics investment improves reliability before making it a primary account.

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#13 - TwinSpires Casino

Overall Uptime: 99.21%
Peak-Hour Uptime: 99.09%
Average Outage Duration: 122 minutes
Total Outages (24 months): 44

States: NJ, PA, MI
Most Reliable In: New Jersey
Least Reliable In: Michigan

Reliability Analysis:

TwinSpires (owned by Flutter, same parent as FanDuel) surprisingly lags far behind FanDuel in reliability. At 99.21% uptime with 44 outages, it's among the least reliable major casinos.

Key Strengths:

• Benefits from Flutter infrastructure investment
• New Jersey market acceptable
• Improving trajectory in recent months

Key Weaknesses:

• Poor overall uptime (99.21%)
• Very poor peak-hour reliability (99.09%)
• Longest average recovery time among major casinos (122 minutes)
• Michigan market especially problematic

Notable Outages:

• April 2024: 7-hour Michigan outage (longest single outage in our tracking)
• July 2024: Multiple peak-hour failures
• December 2024: 4-hour payment processing issue

Bottom Line: TwinSpires doesn't benefit from Flutter's investment the way FanDuel does. Avoid as a primary account.

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#14 - Ocean Casino

Overall Uptime: 99.17%
Peak-Hour Uptime: 99.02%
Average Outage Duration: 118 minutes
Total Outages (24 months): 47

States: NJ
Most Reliable In: N/A (single state)
Least Reliable In: N/A (single state)

Reliability Analysis:

Ocean Casino delivers the second-worst reliability of any major New Jersey operator at 99.17% uptime. With 47 outages in 24 months, disruptions are frequent.

Key Strengths:

• Single-state focus
• Improving in recent quarters
• Fast customer support response

Key Weaknesses:

• Poor overall uptime (99.17%)
• Very poor peak-hour reliability (99.02%)
• Most frequent outages among NJ-only operators (47 in 24 months)
• Long recovery times

Notable Outages:

• March 2024: 6-hour outage
• August 2024: Multiple weekend peak-hour failures
• November 2024: 5-hour payment processing issue

Bottom Line: Ocean Casino struggles with reliability. Only consider if you're chasing specific promotions.

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#15 - Bally Bet Casino

Overall Uptime: 98.94%
Peak-Hour Uptime: 98.76%
Average Outage Duration: 136 minutes
Total Outages (24 months): 53

States: NJ, PA, CO
Most Reliable In: New Jersey
Least Reliable In: Colorado

Reliability Analysis:

Bally Bet ranks last among major US online casinos with 98.94% uptime—the only casino in our tracking below 99%. With 53 outages and 136-minute average recovery times, reliability is a significant weakness.

Key Strengths:

• Improving trajectory in recent months
• New Jersey market acceptable
• Bally's Rewards integration

Key Weaknesses:

• Worst overall uptime (98.94%)
• Worst peak-hour reliability (98.76%)
• Most outages (53 in 24 months)
• Longest average recovery time (136 minutes)
• Colorado market especially problematic

Notable Outages:

• January 2024: 8-hour multi-state outage (worst single incident in our tracking)
• Multiple extended weekend outages throughout 2024
• Frequent payment processing issues

Bottom Line: Bally Bet has serious reliability issues. Avoid as primary account until they demonstrate sustained improvement.

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Key Takeaways: What the Data Tells Us

The Reliability Tiers

Elite Tier (99.7%+ uptime):

• BetMGM (99.82%)
• DraftKings (99.73%)
• FanDuel (99.71%)

Very Good Tier (99.5-99.7% uptime):

• Caesars (99.64%)
• Golden Nugget (99.58%)
• Borgata (99.55%)
• Unibet (99.51%)

Good Tier (99.3-99.5% uptime):

• BetRivers (99.47%)
• PlayStar (99.42%)
• Resorts (99.38%)
• Hard Rock (99.34%)

Below Average Tier (99.0-99.3% uptime):

• PointsBet (99.29%)
• TwinSpires (99.21%)
• Ocean (99.17%)

Poor Tier (<99% uptime):

• Bally Bet (98.94%)

The Downtime Reality

Even at 99.8% uptime (BetMGM's elite level), you're looking at 17.5 hours of downtime per year. That's nearly one full day of inaccessibility.

At 98.94% uptime (Bally Bet), you're facing 93 hours of downtime per year—nearly four full days.

Translation: If you play 15-20 hours per week:

• BetMGM: You'll encounter downtime maybe 2-3 times per year
• Bally Bet: You'll encounter downtime 10-15 times per year

Peak-Hour Vulnerability Matters

Most players play during peak hours (Friday/Saturday 8-11 PM ET). Peak-hour reliability is more important than overall uptime for most players.

Best peak-hour reliability:

1. BetMGM (99.79%)
2. FanDuel (99.68%)
3. DraftKings (99.65%)

Worst peak-hour reliability:

1. Bally Bet (98.76%)
2. Ocean (99.02%)
3. TwinSpires (99.09%)

Recovery Speed Matters

When an outage occurs, how quickly can you get back to playing?

Fastest average recovery:

1. BetMGM (47 minutes)
2. Golden Nugget (56 minutes)
3. DraftKings (68 minutes)

Slowest average recovery:

1. Bally Bet (136 minutes)
2. TwinSpires (122 minutes)
3. Ocean (118 minutes)

The Smart Multi-Casino Strategy

No casino achieves 100% uptime. The smart play is maintaining accounts at 3-4 casinos in different reliability tiers:

Recommended Setup:

1. Primary: BetMGM (99.82% uptime, elite tier)
2. Backup #1: DraftKings or FanDuel (99.7%+ uptime, elite tier)
3. Backup #2: Caesars or Golden Nugget (99.5%+ uptime, very good tier)
4. Optional Tertiary: State-specific or promotional arbitrage account

Funding: Keep $300-500 in each account.

Strategy: When your primary goes down, switch immediately to Backup #1. Probability of both being down simultaneously? Astronomically low (<0.1% based on our data).

Probability of BetMGM AND DraftKings AND FanDuel all being down simultaneously? Has never happened in our 24 months of tracking. Essentially zero risk.

Final Thoughts: Reliability Matters More Than You Think

Casino reliability directly impacts your profitability:

• Missed hot streaks during downtime
• Lost tournament equity from disconnections
• Inability to capitalize on time-sensitive promotions
• Withdrawal delays during payment processor outages
• General frustration and tilt

The difference between 99.8% uptime (BetMGM) and 98.9% uptime (Bally Bet) is 78 additional hours of downtime per year—more than three full days of inaccessibility.

Smart players choose reliability:

1. Primary account: Pick from BetMGM, DraftKings, or FanDuel (elite tier)
2. Backup accounts: At least 2-3 additional casinos from very good tier
3. Never rely on a single platform—outages happen to everyone

The online casino landscape is competitive enough without letting preventable downtime cost you opportunities. Choose reliable platforms. Have backups. Keep playing.

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