Chicago 311 Data Status
Live sync status for the Chicago Open Data Portal 311 feed. Property Sentinel ingests new complaints every 30 minutes.
Operational
Most recent record: 12:15 AM CT·Current lag: 46m
Uptime (90 days)
99.6%
6 incidents
Last Sync
1:00 AM
Apr 23, 2026
Records (90d)
13,687,996
complaints synced
Avg Lag Time
1h 9m
modification → database
90-Day Sync HistoryEach bar = one day
90 days ago60 days ago30 days agoToday
99.6% uptime
All syncs successful
Partial outage
Extended outage
No data
Incident HistoryAll times CT · Status data refreshed: Apr 23, 1:00 AM
Apr 18, 1:30 PM
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Temporarily Unavailable
Resolved
Mar 21, 6:32 PM
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Temporarily Unavailable
Resolved
Mar 21, 6:00 PM
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Temporarily Unavailable
Resolved
Mar 21, 5:51 PM
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Temporarily Unavailable
Resolved
Recent Sync LogLast 24 hours · All times CT
Time (CT)StatusRecordsLagDetails
Apr 23, 1:00 AM
No new
—
46m
No records fetched
Apr 23, 12:31 AM
Success
183
16m
Fetched records from 23:11–00:15 4/22/26
Apr 23, 12:01 AM
No new
—
51m
No records fetched
Apr 22, 11:32 PM
Success
221
21m
Fetched records from 22:16–23:11 4/22/26
Apr 22, 11:01 PM
No new
—
46m
No records fetched
Apr 22, 10:31 PM
Success
300
17m
Fetched records from 21:19–22:15 4/22/26
Apr 22, 10:02 PM
Success
335
48m
Fetched records from 20:15–21:14 4/22/26
Apr 22, 9:30 PM
No new
—
1h 16m
No records fetched
Apr 22, 9:01 PM
No new
—
46m
No records fetched
Apr 22, 8:30 PM
Success
355
16m
Fetched records from 19:16–20:15 4/22/26
Apr 22, 8:00 PM
No new
—
46m
No records fetched
Apr 22, 7:32 PM
Success
396
18m
Fetched records from 18:15–19:15 4/22/26
Apr 22, 7:01 PM
No new
—
46m
No records fetched
Apr 22, 6:32 PM
Success
340
18m
Fetched records from 17:15–18:15 4/22/26
Apr 22, 6:00 PM
No new
—
46m
No records fetched
Apr 22, 5:30 PM
Success
348
16m
Fetched records from 16:15–17:14 4/22/26
Apr 22, 5:10 PM
No new
—
—
No records fetched
Apr 22, 5:01 PM
No new
—
47m
No records fetched
Apr 22, 4:30 PM
Success
396
15m
Fetched records from 15:15–16:14 4/22/26
Apr 22, 4:02 PM
Success
413
47m
Fetched records from 14:15–15:14 4/22/26
Apr 22, 3:30 PM
No new
—
1h 15m
No records fetched
Apr 22, 3:02 PM
No new
—
47m
No records fetched
Apr 22, 2:33 PM
Success
400
18m
Fetched records from 13:15–14:15 4/22/26
Apr 22, 2:02 PM
No new
—
48m
No records fetched
Apr 22, 1:31 PM
Success
422
17m
Fetched records from 12:15–13:15 4/22/26
Apr 22, 1:00 PM
Success
428
45m
Fetched records from 11:15–12:15 4/22/26
Apr 22, 12:31 PM
No new
—
1h 17m
No records fetched
Apr 22, 12:02 PM
No new
—
48m
No records fetched
Apr 22, 11:32 AM
Success
418
17m
Fetched records from 10:15–11:15 4/22/26
Apr 22, 11:02 AM
No new
—
47m
No records fetched
Apr 22, 10:30 AM
Success
440
15m
Fetched records from 09:15–10:15 4/22/26
Apr 22, 10:02 AM
No new
—
47m
No records fetched
Apr 22, 9:32 AM
Success
427
17m
Fetched records from 08:15–09:15 4/22/26
Apr 22, 9:01 AM
No new
—
47m
No records fetched
Apr 22, 8:30 AM
Success
339
16m
Fetched records from 07:15–08:14 4/22/26
Apr 22, 8:01 AM
No new
—
47m
No records fetched
Apr 22, 7:31 AM
Success
233
17m
Fetched records from 06:16–07:14 4/22/26
Apr 22, 7:01 AM
No new
—
47m
No records fetched
Apr 22, 6:30 AM
Success
85
16m
Fetched records from 05:16–06:14 4/22/26
Apr 22, 6:00 AM
No new
—
50m
No records fetched
Apr 22, 5:32 AM
Success
34
21m
Fetched records from 04:29–05:11 4/22/26
Apr 22, 5:01 AM
No new
—
56m
No records fetched
Apr 22, 4:32 AM
Success
38
27m
Fetched records from 03:19–04:05 4/22/26
Apr 22, 4:00 AM
No new
—
53m
No records fetched
Apr 22, 3:31 AM
Success
139
24m
Fetched records from 00:15–03:07 4/22/26
Apr 22, 3:01 AM
No new
—
2h 47m
No records fetched
Apr 22, 2:31 AM
No new
—
2h 17m
No records fetched
Apr 22, 2:00 AM
No new
—
1h 46m
No records fetched
Apr 22, 1:32 AM
No new
—
1h 18m
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.