Fly.io vs Vercel
Reliability comparison based on uptime, incident history, and mean time to recovery. Updated daily.
|
F
Fly.io
|
 Vercel
|
|
|---|---|---|
| Current Status | Operational | Operational |
| Uptime (30d) | 95.115% | 95.765% Best |
| Uptime (90d) | 89.810% | 95.938% Best |
| MTTR | 4.1 hrs | 2.9 hrs Best |
| Incidents (30d) | 13 | 5 Best |
| Incidents (90d) | 68 | 35 Best |
| Reliability Score | 64.3/100 Best | 58.3/100 |
Recent Incidents
Fly.io
Secret service outage
major
Fly.io
Secrets service outage
major
Fly.io
IPv6 Networking Issues
minor
Fly.io
Increased app-not-found errors
major
Vercel
Delays delivering log drains
minor
Fly.io
MPG IAD data plane degraded for new clusters
minor
Fly.io
MPG creation is failing in GRU due to lack of capacity
major
Fly.io
Certificate issuance delays
minor
Fly.io
Managed Postgres v2 control plane issues in iad
minor
Fly.io
Capacity issues in CDG
none
Fly.io
Outbound email issues
minor
Fly.io
Increased API latency
minor
Vercel
Vercel Community temporarily unavailable
maintenance
Vercel
Timeouts loading charts and observability data in Dashboard
major
Vercel
Dashboard authentication errors
critical
Fly.io
High number of 5XX on the Machines API and dashboard
major
Fly.io
Egress IPv6 issues in BOM
minor
Vercel
Increased invocation failures for Hobby Team functions
minor
Vercel
Errors logging in with GitHub
minor
Vercel
GitHub-linked deployments and authentication affected
minor
Frequently Asked Questions
Which is more reliable, Fly.io or Vercel?
Based on our monitoring data, Fly.io is currently more reliable than Vercel. Fly.io has a reliability score of 64.3/100 compared to Vercel's 58.3/100. This score factors in uptime percentage, mean time to recovery, incident frequency, and consistency. Monitor both services with Happy Uptime for real-time alerts.
Which has better uptime, Fly.io or Vercel?
Over the last 30 days, Vercel has a higher uptime of 95.765% compared to Fly.io's 95.115%. We check both services every 5 minutes from multiple global regions.
Is Fly.io more stable than Vercel?
Vercel has been more stable over the past 90 days with 35 incidents compared to Fly.io's 68 incidents. Fewer incidents generally indicates a more stable service. Use Happy Uptime to track both services and get AI-powered incident analysis.
Monitor both Fly.io and Vercel with Happy Uptime
Instant alerts when services go down. Dependency tracking, AI incident analysis, and status pages. Free to start.
Start Free Monitoring