App Hosting Platforms · reliability comparison
Fly.io vs Northflank: which is more reliable? (2026)
Northflank is more reliable than Fly.io, scoring 70.8 vs 45.7 out of 100. Over the last 90 days Fly.io reported 53 incidents and Northflank reported 5, with effective uptime of 98.33% and 99.43% respectively. Fly.io resolves incidents faster on average (2h 34m).
Data updated Nov 2, 2026 · How we score
| Metric | Fly.io | Northflank |
|---|---|---|
| Reliability score | 45.7 | 70.8 |
| Rank (app hosting platforms) | #10 | #7 |
| Uptime (90 days) | 98.33% | 99.43% |
| Incidents (90 days) | 53 | 5 |
| Partial / major outages | 19 | 1 |
| Avg time to resolve | 2h 34m | 2h 46m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Fly.io and Northflank differ
- Fly.io reported 10.6× as many incidents as Northflank over the last 90 days (53 vs 5).
- Fly.io had 19 partial or major outages, compared with 1 for Northflank.
- Fly.io fixes problems faster: 2h 34m on average, against 2h 46m for Northflank.
- Fly.io's longest outage on record lasted 18h 40m (Sep 23, 2026); Northflank's lasted 1h 22m (Jul 22, 2026).
90-day uptime
Fly.io
Northflank
- 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 Northflank incidents
- Degraded performanceOct 30, 2026 · ongoing
- Degraded performanceOct 20, 2026 · resolved in 6h 51m
- Degraded performanceSep 25, 2026 · resolved in 46m
- Degraded performanceSep 4, 2026 · resolved in 2h 25m
- Partial outageAug 5, 2026 · resolved in 1h 1m
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