United Airlines
Is UA4576 delayed?
No — UA4576 landed in St Louis 22 min early, at 22:30 on Sep 28 (as of Sep 29, 03:30 UTC).
Usually on time: arrived within 15 min of schedule on 15 of the last 21 flights.
22 min early
Official source · Updated
Departure
Chicago
ORD
Scheduled
Sep 28
Arrival
St Louis
STL
Actual
Scheduled 22:53
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 22 min early
Chicago → St Louis
- 5 min early
Chicago → St Louis
- 9 min early
Chicago → St Louis
- 10 min early
Chicago → St Louis
- 22 min early
Chicago → St Louis
Is UA4576 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Chicago (ORD) departures
- Left more than 15 min late
- 235 of 317
- Cancelled today
- 4
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | Chicago | St Louis | -22 | |
| Sep 27, 2026Arrived | Chicago | St Louis | -5 | |
| Sep 26, 2026Arrived | Chicago | St Louis | -9 | |
| Sep 25, 2026Arrived | Chicago | St Louis | -10 | |
| Sep 24, 2026Arrived | Chicago | St Louis | -22 | |
| Sep 23, 2026Arrived | Chicago | St Louis | -10 | |
| Sep 21, 2026Arrived | Chicago | St Louis | 27 | |
| Sep 20, 2026Arrived | Chicago | St Louis | 68 | |
| Sep 19, 2026Arrived | Chicago | St Louis | 127 | |
| Sep 18, 2026Arrived | Chicago | St Louis | -12 | |
| Sep 17, 2026Arrived | Chicago | St Louis | 74 | |
| Sep 16, 2026Arrived | Chicago | St Louis | -2 | |
| Sep 14, 2026Arrived | Chicago | St Louis | 17 | |
| Sep 13, 2026Arrived | Chicago | St Louis | -1 | |
| Sep 12, 2026Arrived | Chicago | St Louis | 4 | |
| Sep 11, 2026Arrived | Chicago | St Louis | 6 | |
| Sep 9, 2026Arrived | Chicago | St Louis | -17 | |
| Sep 6, 2026Arrived | Chicago | St Louis | -26 | |
| Sep 5, 2026Arrived | Chicago | St Louis | -18 | |
| Sep 4, 2026Arrived | Chicago | St Louis | 18 | |
| Sep 2, 2026Arrived | Chicago | St Louis | 7 |
Email me if UA4576 runs late
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