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) | 96.590% | 97.705% Best |
| Uptime (90d) | 92.461% | 96.774% Best |
| MTTR | 3.2 hrs | 2.6 hrs Best |
| Incidents (30d) | 17 | 10 Best |
| Incidents (90d) | 53 | 32 Best |
| Reliability Score | 71.2/100 | 71.6/100 Best |
Recent Incidents
Fly.io
Network issues in US West Coast
minor
Vercel
Elevated error rate on Connect and Passport
major
Vercel
Elevated latency in Sandbox API
minor
Vercel
Elevated latency in VCR, Blob, and Sandbox API
minor
Fly.io
Sprites API Partial Outage
minor
Fly.io
Network issues in LAX
minor
Fly.io
Upstream network issues
minor
Fly.io
API background job queue failure
major
Vercel
Increased deployment failures
major
Fly.io
Packet loss in ORD
minor
Fly.io
Networking Issues in GRU
minor
Fly.io
Increased packet loss
minor
Fly.io
WireGuard gateway issues
minor
Vercel
Failures logging in with Vercel CLI
major
Vercel
Elevated build initialization times
minor
Fly.io
Metrics in some regions are lagging behind
minor
Fly.io
Network Issues in LAX Region
major
Vercel
New container functions are failing
major
Fly.io
Oauth/Macaroon Errors from flyctl
none
Vercel
Logs unavailable to query in Dashboard
major
Frequently Asked Questions
Which is more reliable, Fly.io or Vercel?
Based on our monitoring data, Vercel is currently more reliable than Fly.io. Vercel has a reliability score of 71.6/100 compared to Fly.io's 71.2/100. 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 97.705% compared to Fly.io's 96.590%. 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 32 incidents compared to Fly.io's 53 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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