Heroku vs Fly.io - Uptime & Outage Comparison
Compare uptime, outage statistics, and incident history between Heroku and Fly.io. See which service has better reliability.
Note: Each service has different practices when updating its status page. One service may report more incidents due to transparency, not necessarily worse reliability. Compare these stats with context.
Heroku
Status monitoring since April 2020
Operational
Heroku Incident Statistics
0
Last 7 days
1
Last 30 days
1
Last 90 days
Recent Heroku Incidents
Resolved
23 days ago
Heroku Feature Disruption
The expired certificate has been restored, allowing some direct access to the API. However, subsequent API requests c...
Resolved
4 months ago
Service Disruption on Heroku
Earlier today, an infrastructure provider impacted parts of the Heroku Platform, causing disruption across the majori...
Resolved
5 months ago
Investigating an issue with elevated H99 Errors
Beginning at 23:17 UTC on September 24, 2025 and continuing until 00:39 UTC on September 25, 2025, impacted customers...
Fly.io
Status monitoring since June 2022
Operational
Fly.io Incident Statistics
9
Last 7 days
21
Last 30 days
55
Last 90 days
Recent Fly.io Incidents
Resolved
1 day ago
Network issues on newly-created machines
Machines created after the delayed machine registration incident (https://status.flyio.net/incidents/3npj6935byt4) ma...
Resolved
2 days ago
MPG Degraded clusters in AMS, IAD and SIN regions
A small number of MPG clusters in the AMS and IAD region are currently in degraded states due to downstream impact fr...
Resolved
2 days ago
Delayed Machine Registration + Token Errors
We have identified elevated error rates registering new machines with our global state tracking service on some hosts...
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