Live sync status for the Chicago Open Data Portal 311 feed. Property Sentinel ingests new complaints every 30 minutes.
Last sync: 2:02 AM CT Oct 21, 2026
Most recent record: 12:14 AM CT Oct 20, 2026
Current / trailing average lag: 1h 48m (current) / 55m (3-day) / 2h 46m (7-day)
Uptime (90 days)
97.1%
126 incidents
Total Indexed
14,821,310
all-time complaints
Records (90d)
535,423
last 90 days
Avg Lag Time (90D)
3h 29m
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: Oct 23, 5:31 PM
Oct 23, 12:02 AM – 5:30 PM
36 occurrences
Chicago Data Portal — 503 Service Unavailable
HTTPSConnectionPool(host='data.cityofchicago.org', port=443): Max retries exceeded with url: /resource/v6vf-nfxy.json?%2…
Ongoing
Oct 22, 12:01 AM – 11:31 PM
47 occurrences
Chicago Data Portal — 503 Service Unavailable
HTTPSConnectionPool(host='data.cityofchicago.org', port=443): Max retries exceeded with url: /resource/v6vf-nfxy.json?%2…
Resolved
Oct 21, 4:27 AM – 11:30 PM
32 occurrences
Chicago Data Portal — 503 Service Unavailable
HTTPSConnectionPool(host='data.cityofchicago.org', port=443): Max retries exceeded with url: /resource/v6vf-nfxy.json?%2…
Resolved
Oct 17, 3:01 AM
1 occurrence
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Unavailable
Resolved
Sep 30, 10:04 PM
1 occurrence
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Unavailable
Resolved
Sep 19, 4:32 PM – 6:31 PM
5 occurrences
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Temporarily Unavailable
Resolved
Sep 11, 5:00 AM
1 occurrence
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Unavailable
Resolved
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
Recent Sync Log
Time (CT)StatusRecordsLagDetails
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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.
