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) | 89.373% | 94.643% Best |
| Uptime (90d) | 94.338% Best | 93.108% |
| MTTR | 5.1 hrs | 2.4 hrs Best |
| Incidents (30d) | 31 | 14 Best |
| Incidents (90d) | 66 | 48 Best |
| Reliability Score | 40.8/100 | 44.1/100 Best |
Recent Incidents
Fly.io
Elevated Sprites error rates in SIN
major
Fly.io
Network instability in ORD
minor
Fly.io
Increased network latency in North America
minor
Fly.io
Ingress Traffic issues in GRU
major
Fly.io
Emergency maintenance of Petsem causing some control plane errors
major
Fly.io
Managed Postgres Control Plane Issues in IAD
minor
Vercel
Elevated Build Errors for Secure Compute/Static IPs Projects
major
Fly.io
egress ips are broken in ORD
minor
Vercel
Elevated Functions Invocation Errors in DUB1 (Dublin, Ireland) Region
minor
Vercel
Elevated Functions Invocation Errors in DUB1 (Dublin, Ireland) Region
minor
Fly.io
Capacity issues in ARN region
minor
Fly.io
Consul cluster degradation
none
Vercel
Elevated Errors Creating New Deployments
minor
Fly.io
Issues with flyctl ssh console and Machines OIDC
minor
Fly.io
IPv6 outage for some machines in ORD
major
Fly.io
Private networking issues in SYD
minor
Fly.io
Elevated deployment errors
minor
Fly.io
Networking issues in ORD
minor
Fly.io
Networking issues in ORD
minor
Fly.io
Networking issues in ORD
minor
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 44.1/100 compared to Fly.io's 40.8/100. 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 94.643% compared to Fly.io's 89.373%. 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 48 incidents compared to Fly.io's 66 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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