App Hosting Platforms · reliability comparison
Fly.io vs Zeabur: which is more reliable? (2026)
Fly.io is more reliable than Zeabur, scoring 45.7 vs 37.0 out of 100. Over the last 90 days Fly.io reported 53 incidents and Zeabur reported 2, with effective uptime of 98.33% and 95.00% respectively. Fly.io resolves incidents faster on average (2h 34m).
Data updated Nov 2, 2026 · How we score
| Metric | Fly.io | Zeabur |
|---|---|---|
| Reliability score | 45.7 | 37.0 |
| Rank (app hosting platforms) | #10 | #11 |
| Uptime (90 days) | 98.33% | 95.00% |
| Incidents (90 days) | 53 | 2 |
| Partial / major outages | 19 | 2 |
| Avg time to resolve | 2h 34m | 3d |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Fly.io and Zeabur differ
- Fly.io reported 26.5× as many incidents as Zeabur over the last 90 days (53 vs 2).
- Fly.io had 19 partial or major outages, compared with 2 for Zeabur.
- Fly.io fixes problems faster: 2h 34m on average, against 3d for Zeabur (28.1× quicker).
- Fly.io's longest outage on record lasted 18h 40m (Sep 23, 2026); Zeabur's lasted 3d (Oct 15, 2026).
90-day uptime
Fly.io
Zeabur
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Fly.io incidents
- Degraded performanceNov 1, 2026 · resolved in 2h 10m
Outbound IPv4 connectivity failures in ARN, JNB, and GRU
Affected: ARN - Stockholm, Sweden, JNB - Johannesburg, South Africa, GRU - Sao Paulo, Brazil
- Degraded performanceOct 30, 2026 · resolved in 1h 28m
Slow image pulls delaying Machine starts in IAD
Affected: Deployments, IAD - Ashburn, Virginia (US)
- InformationalOct 29, 2026 · resolved in <1m
- Degraded performanceOct 29, 2026 · resolved in 48m
Elevated issues with the Machines API
Affected: Machines API, Dashboard, Customer Applications
- InformationalOct 29, 2026 · resolved in 4h 48m
- InformationalOct 26, 2026 · resolved in 6h 6m
Recent Zeabur incidents
- Partial outageOct 15, 2026 · resolved in 4d 10h
Unauthorized Access to Zeabur Infrastructure and User Dataofficial update ↗
- Major outageAug 28, 2026 · resolved in 12d 15h
Unauthorized Access to Project Environment Variable Dataofficial update ↗
Other app hosting platforms to consider
- DigitalOcean App Platform · #1 · 99.98% uptime
- Heroku · #2 · 99.95% uptime
- Koyeb · #3 · 99.64% uptime
- Render · #4 · 99.71% uptime