Is UA4066 delayed?
Service date: · Scheduled departure date (America/New_York)
Arrived
9 min early
Official source · Updated
Departure
Dulles
IAD
Actual
Scheduled 18:03
Sep 7
Arrival
Raleigh/Durham
RDU
Actual
Scheduled 22:52
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
IADRDU
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 4 min early
IAD → RDU
- 2 min early
IAD → RDU
- 3 min late
IAD → RDU
- 11 min early
IAD → RDU
- 7 min early
IAD → RDU
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 11
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 14
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 | Raleigh/Durham | -4 | |
| Sep 16, 2026Arrived | Dulles | Raleigh/Durham | -2 | |
| Sep 15, 2026Arrived | Dulles | Raleigh/Durham | 3 | |
| Sep 11, 2026Arrived | Dulles | Raleigh/Durham | -11 | |
| Sep 10, 2026Arrived | Dulles | Raleigh/Durham | -7 | |
| Sep 9, 2026Arrived | Dulles | Raleigh/Durham | -1 | |
| Sep 8, 2026Arrived | Dulles | Raleigh/Durham | -2 | |
| Sep 7, 2026Arrived | Dulles | Raleigh/Durham | -9 | |
| Sep 6, 2026Arrived | Dulles | Raleigh/Durham | -15 | |
| Sep 5, 2026Arrived | Dulles | Raleigh/Durham | -8 | |
| Sep 4, 2026Arrived | Dulles | Raleigh/Durham | 32 |