Resolved · lasted 5 h

Substack outage on October 28

Reports for Substack jumped to 70 an hour and stayed high for 5 h.

Started
11:00 PM
October 28, 2026 · UTC
Back to normal
4:00 AM
5 h later
Peak
70/hr
70× normal
Substack’s incident
1 h 24 min
Increased latency on post publishing

Reports during the outage

9:00 PM5:50 AM UTC

What Substack said

status.substack.com
Resolved3:12 – 4:36 AM · 1 h 24 min

Increased latency on post publishing

  1. Resolved · 4:36 AM

    This incident has been resolved.

  2. Identified · 3:16 AM

    We are continuing to work on a fix for this issue.

  3. Identified · 3:12 AM

    Publishing and post updates are slower than usual, and recent edits to published posts may take time to appear. We're working on a fix.

Substack posted its first update 4 h 13 min after reports started rising.

Is Substack down right now?

Live status, today’s reports and other past outages.

Substack status now →