United Airlines
Is UA4576 delayed?
No delay reported yet. UA4576 is scheduled to leave Chicago at 22:23 on Nov 14 and reach St Louis at 23:18 (as of Nov 14, 15:45 UTC).
Usually on time: arrived within 15 min of schedule on 26 of the last 33 flights.
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Chicago
ORD
Scheduled
Nov 14
Arrival
St Louis
STL
Scheduled
Nov 14
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
- Not available
Also sold as AC4007, NZ2420, LH8971
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min early
Greensboro → Chicago
- 22 min early
Chicago → St Louis
- On schedule (8 min behind)
Greensboro → Chicago
- 18 min early
Greensboro → Chicago
- 4 min early
Chicago → St Louis
Is UA4576 usually late?
Period: Oct 15, 2026 – Nov 14, 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. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Chicago (ORD) departures
- Left more than 15 min late
- 64 of 156
- Cancelled today
- 132
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Cancelled | Chicago | St Louis | Not available | Not available |
| Nov 13, 2026Cancelled | Greensboro | Chicago | Not available | Not available |
| Nov 12, 2026Arrived | Greensboro | Chicago | -8 | |
| Nov 11, 2026Arrived | Chicago | St Louis | -22 | |
| Nov 11, 2026Arrived | Greensboro | Chicago | 8 | |
| Nov 10, 2026Arrived | Greensboro | Chicago | -18 | |
| Nov 9, 2026Arrived | Chicago | St Louis | -4 | |
| Nov 9, 2026Arrived | Greensboro | Chicago | -10 | |
| Nov 8, 2026Arrived | Chicago | St Louis | -22 | |
| Nov 8, 2026Arrived | Greensboro | Chicago | 8 | |
| Nov 7, 2026Arrived | Chicago | St Louis | 16 | |
| Nov 7, 2026Arrived | Greensboro | Chicago | 21 | |
| Nov 6, 2026Arrived | Chicago | St Louis | 92 | |
| Nov 6, 2026Arrived | Greensboro | Chicago | -5 | |
| Nov 5, 2026Arrived | Chicago | St Louis | 14 | |
| Nov 5, 2026Arrived | Greensboro | Chicago | 1 | |
| Nov 4, 2026Arrived | Chicago | St Louis | 10 | |
| Nov 4, 2026Arrived | Greensboro | Chicago | -3 | |
| Nov 3, 2026Arrived | Greensboro | Chicago | Not available | |
| Nov 2, 2026Arrived | Chicago | St Louis | 8 | |
| Nov 2, 2026Arrived | Greensboro | Chicago | Not available | |
| Nov 1, 2026Arrived | Chicago | St Louis | 24 | |
| Nov 1, 2026Arrived | Greensboro | Chicago | Not available | |
| Oct 31, 2026Arrived | Chicago | St Louis | 11 | |
| Oct 31, 2026Arrived | Greensboro | Chicago | Not available | |
| Oct 30, 2026Arrived | Chicago | St Louis | -23 | |
| Oct 29, 2026Arrived | Chicago | St Louis | 0 | |
| Oct 28, 2026Arrived | Chicago | St Louis | -13 | |
| Oct 28, 2026Arrived | Greensboro | Chicago | Not available | |
| Oct 27, 2026Arrived | Greensboro | Chicago | Not available | |
| Oct 26, 2026Arrived | Chicago | St Louis | -21 | |
| Oct 26, 2026Arrived | Greensboro | Chicago | Not available | |
| Oct 25, 2026Arrived | Chicago | St Louis | -13 | |
| Oct 25, 2026Arrived | Greensboro | Chicago | Not available | |
| Oct 24, 2026Arrived | Chicago | St Louis | 21 | |
| Oct 23, 2026Arrived | Chicago | St Louis | -21 | |
| Oct 22, 2026Arrived | Chicago | St Louis | -27 | |
| Oct 21, 2026Arrived | Chicago | St Louis | 69 | |
| Oct 19, 2026Arrived | Chicago | St Louis | -23 | |
| Oct 18, 2026Arrived | Chicago | St Louis | -24 | |
| Oct 17, 2026Arrived | Chicago | St Louis | -25 | |
| Oct 16, 2026Arrived | Chicago | St Louis | -10 | |
| Oct 15, 2026Arrived | Chicago | St Louis | 27 |