Is AC4923 delayed?
Service date: · Scheduled departure date (UTC)
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Departure
St Louis
STL
Scheduled
Sep 16
Arrival
Chicago
ORD
Scheduled
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Operating flight: UAL4395
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STLORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 94 min late
STL → ORD
- 12 min late
STL → ORD
- 26 min late
STL → ORD
- 39 min early
STL → ORD
- 49 min late
STL → ORD
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 12
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 12
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 15, 2026Arrived | St Louis | Chicago | 94 | |
| Sep 14, 2026Arrived | St Louis | Chicago | 12 | |
| Sep 13, 2026Arrived | St Louis | Chicago | 26 | |
| Sep 12, 2026Arrived | St Louis | Chicago | -39 | |
| Sep 11, 2026Arrived | St Louis | Chicago | 49 | |
| Sep 10, 2026Arrived | St Louis | Chicago | -23 | |
| Sep 9, 2026Arrived | St Louis | Chicago | -15 | |
| Sep 8, 2026Arrived | St Louis | Chicago | -28 | |
| Sep 7, 2026Arrived | St Louis | Chicago | -7 | |
| Sep 6, 2026Arrived | St Louis | Chicago | -33 | |
| Sep 5, 2026Arrived | St Louis | Chicago | -2 | |
| Sep 4, 2026Arrived | St Louis | Chicago | -17 |