Is UA4556 delayed?
Service date: · Scheduled departure date (America/Detroit)
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Departure
Detroit
DTW
Scheduled
Sep 16
Arrival
Dulles
IAD
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
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Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 17 min early
DTW → IAD
- 21 min early
DTW → IAD
- 14 min late
DTW → IAD
- 12 min early
DTW → IAD
- 30 min late
DTW → IAD
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 11
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 15
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 | Detroit | Dulles | -17 | |
| Sep 14, 2026Arrived | Detroit | Dulles | -21 | |
| Sep 13, 2026Arrived | Detroit | Dulles | 14 | |
| Sep 11, 2026Arrived | Detroit | Dulles | -12 | |
| Sep 10, 2026Arrived | Detroit | Dulles | 30 | |
| Sep 9, 2026Arrived | Detroit | Dulles | -3 | |
| Sep 8, 2026Arrived | Detroit | Dulles | 12 | |
| Sep 7, 2026Arrived | Dulles | Norfolk | 2 | |
| Sep 7, 2026Arrived | Richmond | Dulles | -15 | |
| Sep 6, 2026Arrived | Richmond | Dulles | -26 | |
| Sep 5, 2026Arrived | Richmond | Dulles | 106 |