Is UAL4078 delayed?
Service date: · Scheduled departure date (America/New_York)
Arrived
4 min late
Official source · Updated
Departure
Dulles
IAD
Actual
Scheduled 22:38
Sep 8
Arrival
Rochester
ROC
Actual
Scheduled 03:36
Sep 9
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
IADROC
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 14 min late
IAD → ROC
- 17 min late
IAD → ROC
- 12 min early
IAD → ROC
- 1 min early
IAD → ROC
- 4 min early
IAD → ROC
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 10
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 10
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 17, 2026Arrived | Dulles | Rochester | 14 | |
| Sep 16, 2026Arrived | Dulles | Rochester | 17 | |
| Sep 15, 2026Arrived | Dulles | Rochester | -12 | |
| Sep 14, 2026Arrived | Dulles | Rochester | -1 | |
| Sep 13, 2026Arrived | Dulles | Rochester | -4 | |
| Sep 12, 2026Arrived | Dulles | Rochester | 60 | |
| Sep 11, 2026Arrived | Dulles | Rochester | -7 | |
| Sep 10, 2026Arrived | Dulles | Rochester | -18 | |
| Sep 9, 2026Arrived | Dulles | Rochester | 6 | |
| Sep 8, 2026Arrived | Dulles | Rochester | 4 |