Is UA4527 delayed?
Service date: · Scheduled departure date (America/New_York)
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Departure
Dulles
IAD
Scheduled
Sep 16
Arrival
St Louis
STL
Scheduled
Sep 17
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
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IADSTL
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 25 min early
IAD → STL
- 26 min early
IAD → STL
- 28 min early
IAD → STL
- 106 min late
IAD → STL
- 27 min early
IAD → STL
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 17
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 26
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 | Dulles | St Louis | -25 | |
| Sep 14, 2026Arrived | Dulles | St Louis | -26 | |
| Sep 13, 2026Arrived | Dulles | St Louis | -28 | |
| Sep 12, 2026Arrived | Dulles | St Louis | 106 | |
| Sep 11, 2026Arrived | Dulles | St Louis | -27 | |
| Sep 10, 2026Arrived | Dulles | St Louis | -11 | |
| Sep 9, 2026Arrived | Dulles | St Louis | -28 | |
| Sep 8, 2026Arrived | Dulles | St Louis | -41 | |
| Sep 7, 2026Arrived | Dulles | St Louis | -29 | |
| Sep 6, 2026Arrived | Dulles | St Louis | -30 | |
| Sep 5, 2026Arrived | Dulles | St Louis | 4 | |
| Sep 3, 2026Arrived | Dulles | St Louis | -29 | |
| Sep 1, 2026Arrived | Dulles | St Louis | -37 | |
| Aug 27, 2026Arrived | Dulles | St Louis | 164 | |
| Aug 26, 2026Arrived | Dulles | St Louis | -18 | |
| Aug 23, 2026Arrived | Dulles | St Louis | -18 | |
| Aug 22, 2026Arrived | Dulles | St Louis | 33 |