Is UA4056 delayed?
Service date: · Scheduled departure date (America/New_York)
Arrived
5 min early
Official source · Updated
Departure
Philadelphia
PHL
Scheduled
Sep 12
Arrival
Dulles
IAD
Actual
Scheduled 20:55
Sep 12
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 5 min late
PHL → IAD
- <1 min early
PHL → IAD
- 27 min early
PHL → IAD
- 28 min early
PHL → IAD
- 33 min late
PHL → IAD
Flight history and details
Aug 24, 2026 — Sep 23, 2026
- Observed arrivals
- 19
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 3
- Observed occurrences
- 23
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 22, 2026Arrived | Philadelphia | Dulles | 5 | |
| Sep 21, 2026Cancelled | Philadelphia | Dulles | Not available | Not available |
| Sep 20, 2026Arrived | Philadelphia | Dulles | 0 | |
| Sep 19, 2026Arrived | Philadelphia | Dulles | -27 | |
| Sep 18, 2026Arrived | Philadelphia | Dulles | -28 | |
| Sep 17, 2026Arrived | Philadelphia | Dulles | 33 | |
| Sep 16, 2026Arrived | Philadelphia | Dulles | -33 | |
| Sep 15, 2026Arrived | Philadelphia | Dulles | -11 | |
| Sep 14, 2026Arrived | Philadelphia | Dulles | -7 | |
| Sep 13, 2026Arrived | Philadelphia | Dulles | -19 | |
| Sep 12, 2026Arrived | Philadelphia | Dulles | -5 | |
| Sep 11, 2026Arrived | Philadelphia | Dulles | -35 | |
| Sep 10, 2026Arrived | Philadelphia | Dulles | -36 | |
| Sep 9, 2026Arrived | Philadelphia | Dulles | -16 | |
| Sep 8, 2026Arrived | Philadelphia | Dulles | -32 | |
| Sep 7, 2026Arrived | New York | Dulles | 4 | |
| Sep 6, 2026Arrived | New York | Dulles | -27 | |
| Sep 5, 2026Arrived | New York | Dulles | -1 | |
| Sep 4, 2026Arrived | New York | Dulles | 69 | |
| Sep 3, 2026Arrived | New York | Dulles | 34 | |
| Sep 2, 2026Cancelled | New York | Dulles | Not available | Not available |
| Aug 27, 2026Cancelled | New York | Dulles | Not available | Not available |