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) | 98.083% Best | 95.891% |
| Uptime (90d) | 97.708% Best | 90.564% |
| MTTR | 6.8 hrs Best | 17.7 hrs |
| Incidents (30d) | 13 Best | 20 |
| Incidents (90d) | 29 | 26 Best |
| Reliability Score | 60.3/100 Best | 44.7/100 |
Recent Incidents
Vercel
Elevated Domains Errors
minor
Fly.io
flyctl deploy creating new app instances
minor
Vercel
Errors Deploying Templates
minor
Vercel
Errors Deploying Templates
minor
Vercel
Errors Purchasing Domains
minor
Vercel
Errors Purchasing Domains, AI Gateway Credits
minor
Fly.io
Slow machines operations in IAD region
minor
Fly.io
Errors when adding or editing Github integrations for deployments
major
Fly.io
Errors (5xx, timeouts) in Fly.io dashboard
major
Vercel
Delays Loading Logs
minor
Vercel
Elevated errors on Vercel Dashboard
minor
Vercel
Elevated errors on Vercel Dashboard and API endpoints
minor
Fly.io
Increased latency in SIN
minor
Vercel
Unaccessible runtime logs in the dashboard
major
Vercel
Observability Alerts degraded
minor
Vercel
Delays Loading Observability, Analytics and Speed Insights
minor
Fly.io
TLS certificate issues
major
Fly.io
Network issues in SYD
none
Fly.io
Heightened latency in ORD
none
Fly.io
Managed Postgres control plane instability in NRT (Tokyo)
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 60.3/100 compared to Vercel's 44.7/100. 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, Fly.io has a higher uptime of 98.083% compared to Vercel's 95.891%. 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 26 incidents compared to Fly.io's 29 incidents. Fewer incidents generally indicates a more stable service. Use Happy Uptime to track both services and get AI-powered incident analysis.
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