Fly.io vs Vercel

Reliability comparison based on uptime, incident history, and mean time to recovery. Updated daily.

Fly.io
Vercel
Current Status Operational Best Partial Outage
Uptime (30d) 100.000% Best 0.000%
Uptime (90d) 100.000% Best 0.000%
MTTR 58 min Best N/A
Incidents (30d) 3 2 Best
Incidents (90d) 3 2 Best
Reliability Score 93.8/100 Best 60.0/100

Recent Incidents

Fly.io Sprites Operations: 401 errors for certain organizations
minor · Mar 14, 2026 — Mar 14, 2026
Resolved
none
Fly.io Sprite Operations: 401 errors for certain organizations
minor · Mar 14, 2026 — Mar 14, 2026
Resolved
none
Vercel Elevated Build Errors
major · Mar 13, 2026
investigating
major
Fly.io Setting secrets and creating apps is degraded
minor · Mar 11, 2026 — Mar 11, 2026
Resolved
none
Vercel Dubai region (dxb1) is unavailable and traffic is being re-routed
major · Mar 2, 2026
monitoring
major

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 93.8/100 compared to Vercel's 60.0/100. 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 100.000% compared to Vercel's 0.000%. 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 2 incidents compared to Fly.io's 3 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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