Is UA4533 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
74 min late
Official source · Updated
Departure
Roanoke
ROA
Actual
Scheduled 00:21
Sep 18
Arrival
Dulles
IAD
Actual
Scheduled 21:12
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
ROAIAD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 16 min early
SCE → IAD
- 74 min late
ROA → IAD
- 14 min early
SCE → IAD
- 15 min early
ROA → IAD
- 20 min early
SCE → IAD
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 15
- 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 19, 2026Arrived | State College | Dulles | -16 | |
| Sep 18, 2026Arrived | Roanoke | Dulles | 74 | |
| Sep 17, 2026Arrived | State College | Dulles | -14 | |
| Sep 16, 2026Arrived | Roanoke | Dulles | -15 | |
| Sep 15, 2026Arrived | State College | Dulles | -20 | |
| Sep 14, 2026Arrived | Roanoke | Dulles | -16 | |
| Sep 13, 2026Arrived | State College | Dulles | -9 | |
| Sep 12, 2026Arrived | Roanoke | Dulles | -22 | |
| Sep 11, 2026Arrived | Roanoke | Dulles | -22 | |
| Sep 10, 2026Arrived | State College | Dulles | -25 | |
| Sep 9, 2026Arrived | Roanoke | Dulles | -28 | |
| Sep 7, 2026Arrived | Buffalo | Chicago | -9 | |
| Sep 6, 2026Arrived | Buffalo | Chicago | -23 | |
| Sep 5, 2026Arrived | Buffalo | Chicago | -11 | |
| Sep 4, 2026Arrived | Buffalo | Chicago | 24 |