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: 3:29 PM CT·Current lag: 13h 31m
Uptime (90 days)
99.8%
7 incidents
Last Sync
5:00 AM
Jun 10, 2026
Total Indexed
13,973,473
all-time complaints
Records (90d)
534,222
last 90 days
Avg Lag Time
2h 4m
modification → database
90-Day Sync HistoryEach bar = one day
90 days ago60 days ago30 days agoToday
99.8% uptime
All syncs successful
Partial outage
Extended outage
No data
Incident HistoryAll times CT · Status data refreshed: Jun 10, 5:00 AM
May 29, 4:00 AM
Chicago Data Portal — 503 Service Unavailable
503 Server Error: Service Unavailable
Resolved
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
Jun 10, 5:00 AM
Success
372
13h 31m
Fetched records from 14:30–15:29 6/9/26
Jun 10, 4:32 AM
No new
14h 3m
No records fetched
Jun 10, 4:00 AM
Success
464
13h 31m
Fetched records from 13:20–14:30 6/9/26
Jun 10, 3:32 AM
No new
14h 13m
No records fetched
Jun 10, 3:01 AM
No new
13h 43m
No records fetched
Jun 10, 2:32 AM
No new
13h 13m
No records fetched
Jun 10, 2:02 AM
No new
12h 43m
No records fetched
Jun 10, 1:30 AM
No new
12h 12m
No records fetched
Jun 10, 1:01 AM
Success
339
11h 43m
Fetched records from 12:25–13:19 6/9/26
Jun 10, 12:30 AM
Success
286
12h 6m
Fetched records from 11:35–12:24 6/9/26
Jun 10, 12:02 AM
Success
464
12h 28m
Fetched records from 10:30–11:35 6/9/26
Jun 9, 11:32 PM
No new
13h 2m
No records fetched
Jun 9, 11:02 PM
Success
367
12h 33m
Fetched records from 09:30–10:29 6/9/26
Jun 9, 10:31 PM
No new
13h 2m
No records fetched
Jun 9, 10:02 PM
No new
12h 33m
No records fetched
Jun 9, 9:32 PM
Success
429
12h 2m
Fetched records from 08:20–09:29 6/9/26
Jun 9, 9:01 PM
No new
12h 42m
No records fetched
Jun 9, 8:32 PM
No new
12h 13m
No records fetched
Jun 9, 8:01 PM
Success
331
11h 42m
Fetched records from 07:21–08:19 6/9/26
Jun 9, 7:31 PM
No new
12h 11m
No records fetched
Jun 9, 7:02 PM
No new
11h 43m
No records fetched
Jun 9, 6:30 PM
Success
235
11h 10m
Fetched records from 06:30–07:20 6/9/26
Jun 9, 6:01 PM
No new
11h 32m
No records fetched
Jun 9, 5:30 PM
No new
11h 1m
No records fetched
Jun 9, 5:02 PM
Success
123
10h 33m
Fetched records from 05:20–06:29 6/9/26
Jun 9, 4:31 PM
No new
11h 11m
No records fetched
Jun 9, 4:00 PM
No new
10h 41m
No records fetched
Jun 9, 3:32 PM
Success
72
10h 12m
Fetched records from 04:20–05:19 6/9/26
Jun 9, 3:00 PM
No new
10h 41m
No records fetched
Jun 9, 2:31 PM
Success
28
10h 11m
Fetched records from 03:21–04:19 6/9/26
Jun 9, 2:02 PM
No new
10h 44m
No records fetched
Jun 9, 1:31 PM
No new
10h 14m
No records fetched
Jun 9, 1:02 PM
No new
9h 45m
No records fetched
Jun 9, 12:31 PM
Success
25
9h 14m
Fetched records from 02:36–03:18 6/9/26
Jun 9, 12:02 PM
No new
9h 32m
No records fetched
Jun 9, 11:32 AM
No new
9h 2m
No records fetched
Jun 9, 11:03 AM
Success
42
8h 32m
Fetched records from 01:30–02:30 6/9/26
Jun 9, 10:31 AM
Success
101
9h 7m
Fetched records from 00:25–01:24 6/9/26
Jun 9, 10:01 AM
No new
9h 38m
No records fetched
Jun 9, 9:32 AM
No new
9h 9m
No records fetched
Jun 9, 9:00 AM
Success
168
8h 37m
Fetched records from 23:26–00:23 6/8/26
Jun 9, 8:30 AM
No new
9h 6m
No records fetched
Jun 9, 8:01 AM
No new
8h 37m
No records fetched
Jun 9, 7:31 AM
Success
256
8h 6m
Fetched records from 22:20–23:25 6/8/26
Jun 9, 7:01 AM
Success
267
8h 41m
Fetched records from 21:20–22:20 6/8/26
Jun 9, 6:31 AM
No new
9h 12m
No records fetched
Jun 9, 6:02 AM
Success
330
8h 42m
Fetched records from 20:15–21:19 6/8/26
Jun 9, 5:32 AM
No new
9h 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.