Increased HTTP 522 Errors in St. Louis
Sep 16, 18:35 UTCSep 16, 18:35 UTC
Duration
0m
Impact
Informational
Root cause
Not disclosed
Cloudflare, 90 days
56 incidents
Affected
Not listed by the vendor.
Final update
Customers may have observed elevated rates of HTTP 522 error responses from our St. Louis (STL) facility between approximately 16:35 and 16:55 UTC today, 2026-09-16.
Timeline
- Resolved · Sep 16, 18:35 UTC
Customers may have observed elevated rates of HTTP 522 error responses from our St. Louis (STL) facility between approximately 16:35 and 16:55 UTC today, 2026-09-16.
More from Cloudflare
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Sep 2500:03 UTC | Issues with Durable Objects | minor | Ongoing |
| Sep 2420:40 UTC | Intermittent 500 errors for backend services on Replicate | minor | 1h 54m |
| Sep 2417:33 UTC | Delays Starting Cloudflare Workers Builds | minor | 3h 19m |
| Sep 2417:26 UTC | Browser isolation session data sync issues | minor | 5h 11m |
| Sep 2415:20 UTC | Cloudflare Access updates delayed | minor | 3h 5m |
| Sep 2410:22 UTC | Customers using BYOIP can have issues updating their BGP prefixes, including advertising or withdrawing prefixes. | minor | 3m |
Sources: vendors' own status pages, published postmortems and SEC 8-K Item 1.05 filings, read daily. Times as reported. Logos via logo.dev; trademarks belong to their owners.