Is UAL4506 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
14 min early
Official source · Updated
Departure
St Louis
STL
Actual
Scheduled 13:57
Sep 7
Arrival
Dulles
IAD
Actual
Scheduled 11:49
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
STLIAD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 9 min late
STL → IAD
- 27 min late
STL → IAD
- 13 min early
STL → IAD
- 16 min early
STL → IAD
- 97 min late
STL → IAD
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 18
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 18
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 21, 2026Arrived | St Louis | Dulles | 9 | |
| Sep 20, 2026Arrived | St Louis | Dulles | 27 | |
| Sep 19, 2026Arrived | St Louis | Dulles | -13 | |
| Sep 18, 2026Arrived | St Louis | Dulles | -16 | |
| Sep 17, 2026Arrived | St Louis | Dulles | 97 | |
| Sep 16, 2026Arrived | St Louis | Dulles | -22 | |
| Sep 15, 2026Arrived | St Louis | Dulles | -16 | |
| Sep 14, 2026Arrived | St Louis | Dulles | -23 | |
| Sep 13, 2026Arrived | St Louis | Dulles | -9 | |
| Sep 12, 2026Arrived | St Louis | Dulles | -11 | |
| Sep 11, 2026Arrived | St Louis | Dulles | 15 | |
| Sep 10, 2026Arrived | St Louis | Dulles | -15 | |
| Sep 9, 2026Arrived | St Louis | Dulles | -12 | |
| Sep 8, 2026Arrived | St Louis | Dulles | -12 | |
| Sep 7, 2026Arrived | St Louis | Dulles | -14 | |
| Sep 6, 2026Arrived | St Louis | Dulles | -11 | |
| Sep 5, 2026Arrived | St Louis | Dulles | 88 | |
| Sep 4, 2026Arrived | St Louis | Dulles | 3 |