Is UA4500 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (UTC)
13 min early
Official source · Updated
Departure
St Louis
STL
Scheduled
Sep 10
Arrival
Chicago
ORD
Actual
Sep 10
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Service date: · Scheduled departure date (UTC)
36 min late
This update may be out of date. Check with your airline.
Update time unavailable
Departure
St Louis
STL
Actual
Sep 10
Arrival
Chicago
ORD
Scheduled
Sep 9
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 92 min late
STL → ORD
- 144 min late
STL → ORD
- 4 min early
STL → ORD
- 49 min late
STL → ORD
- 99 min late
STL → ORD
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 9
- Observed cancellations
- 0
- Observed occurrences
- 31
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 18, 2026Arrived | St Louis | Chicago | 92 | |
| Sep 17, 2026Arrived | St Louis | Chicago | 144 | |
| Sep 16, 2026Arrived | St Louis | Chicago | -4 | |
| Sep 15, 2026Arrived | St Louis | Chicago | 49 | |
| Sep 14, 2026Arrived | St Louis | Chicago | 99 | |
| Sep 13, 2026Arrived | St Louis | Chicago | 14 | |
| Sep 12, 2026Arrived | St Louis | Chicago | -13 | |
| Sep 11, 2026Arrived | St Louis | Chicago | -16 | |
| Sep 10, 2026Arrived | St Louis | Chicago | -13 | |
| Sep 9, 2026Arrived | St Louis | Chicago | 238 | |
| Sep 8, 2026Arrived | St Louis | Chicago | 95 | |
| Sep 7, 2026Arrived | Chicago | Huntsville | -22 | |
| Sep 7, 2026Arrived | St Louis | Chicago | 1 | |
| Sep 6, 2026Arrived | Chicago | Huntsville | -4 | |
| Sep 6, 2026Arrived | St Louis | Chicago | -24 | |
| Sep 4, 2026Arrived | Chicago | Huntsville | 172 | |
| Sep 4, 2026Arrived | St Louis | Chicago | 54 | |
| Aug 30, 2026Arrived | Chicago | Huntsville | 40 | |
| Aug 26, 2026Arrived | Chicago | Huntsville | 0 | |
| Aug 25, 2026Arrived | Chicago | Huntsville | -14 |