Chicago 311 Data Status

Operational

Live sync status for the Chicago Open Data Portal 311 feed. Property Sentinel ingests new complaints every 30 minutes.

Last sync: 9:30 PM CT Sep 8, 2026
Most recent record: 9:19 AM CT Sep 8, 2026
Current / trailing average lag: 12h 11m (current) / 7h 30m (3-day) / 3h 58m (7-day)
Uptime (90 days)
99.4%
25 incidents
Total Indexed
14,576,644
all-time complaints
Records (90d)
588,032
last 90 days
Avg Lag Time (90D)
2h 15m
modification → database
90-Day Sync HistoryEach bar = one day
90 days ago60 days ago30 days agoToday
All syncs successful
Partial outage
Extended outage
No data
Incident History (90 Days)All times CT · Status data refreshed: Sep 8, 9:30 PM
Aug 15, 1:01 PM – 1:31 PM
2 occurrences
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Temporarily Unavailable
Resolved
Jul 28, 12:32 PM
1 occurrence
Chicago Data Portal — 503 Service Unavailable
HTTPSConnectionPool(host='data.cityofchicago.org', port=443): Max retries exceeded with url: /resource/v6vf-nfxy.json?%2…
Resolved
Jul 18, 1:32 PM
1 occurrence
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Temporarily Unavailable
Resolved
Jul 6, 12:30 PM – 3:01 PM
7 occurrences
Chicago Data Portal — 503 Service Unavailable
403 Client Error: Forbidden
Resolved
Jun 13, 4:32 PM – 11:00 PM
14 occurrences
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Temporarily Unavailable
Resolved
Recent Sync Log
Time (CT)StatusRecordsLagDetails
Sep 8, 9:30 PM
No new
12h 11m
No records fetched
Sep 8, 9:02 PM
No new
11h 43m
No records fetched
Sep 8, 8:32 PM
Success
463
11h 12m
Fetched records from 08:20–09:19 9/8/26
Sep 8, 8:00 PM
Success
325
11h 41m
Fetched records from 07:30–08:19 9/8/26
Sep 8, 7:32 PM
No new
12h 2m
No records fetched

Property Sentinel syncs Chicago 311 data every 30 minutes via the Chicago Open Data Portal. Run history recorded from March 19, 2026. All times Central.