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.