Increased errors for R2 and Tiered Cache

Summary

Cloudflare says it is investigating an issue with R2 in Chicago, IL, where customers may see 503 errors when using R2. The incident is currently in the investigating state.

Written by anthropic/claude-haiku-5.5 from Cloudflare's own updates.

What to do

• Check whether you use Cloudflare Chicago, United States - (ORD), R2, Newark, United States - (EWR) in us. Check your stack

  Drop a package.json, lockfile, Terraform or a list of domains at down.guide to see every provider you depend on.

• Check that everything you run on Cloudflare came back after the window closed 2026-11-14 06:45 UTC.

• Subscribe to Cloudflare's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=cloudflare works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Cloudflare 3

1. investigatingNov 14, 2026, 5:30 AM UTC

   Cloudflare is aware of, and investigating an issue with R2. Customers in Chicago, IL, may see 503 errors when using R2. We are currently investigating this issue.

   provider

2. monitoringNov 14, 2026, 5:43 AM UTC

   Starting at 05:00 UTC, a network connectivity issue between several Cloudflare data centers caused a small percentage of requests to fail. R2 customers may have seen HTTP 500 errors, and requests for content served through Tiered Cache may have returned 520, 522 or 524 errors. Customers in Chicago and Newark saw the highest error rates, and other locations were affected at lower rates. Error rates have dropped close to normal levels since 05:30 UTC. We are continuing to monitor while the underlying network issue is resolved.

   provider

3. resolvedNov 14, 2026, 6:45 AM UTC

   This incident has been resolved.

   provider

Corrections

None so far.

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