Is UAL4291 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
19 min early
Official source · Updated
Departure
Buffalo
BUF
Scheduled
Sep 11
Arrival
Dulles
IAD
Actual
Scheduled 16:07
Sep 11
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
BUFIAD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 6 min early
BUF → IAD
- 12 min early
BUF → IAD
- 7 min early
BUF → IAD
- 74 min late
BUF → IAD
- 4 min early
BUF → IAD
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 17
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 18
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 20, 2026Arrived | Buffalo | Dulles | -6 | |
| Sep 19, 2026Arrived | Buffalo | Dulles | -12 | |
| Sep 18, 2026Arrived | Buffalo | Dulles | -7 | |
| Sep 17, 2026Arrived | Buffalo | Dulles | 74 | |
| Sep 16, 2026Arrived | Buffalo | Dulles | -4 | |
| Sep 15, 2026Arrived | Buffalo | Dulles | -27 | |
| Sep 14, 2026Arrived | Buffalo | Dulles | -16 | |
| Sep 13, 2026Arrived | Buffalo | Dulles | 73 | |
| Sep 12, 2026Arrived | Buffalo | Dulles | -23 | |
| Sep 11, 2026Arrived | Buffalo | Dulles | -19 | |
| Sep 10, 2026Arrived | Buffalo | Dulles | -17 | |
| Sep 9, 2026Arrived | Buffalo | Dulles | -16 | |
| Sep 8, 2026Arrived | Buffalo | Dulles | -19 | |
| Sep 7, 2026Arrived | Buffalo | Dulles | -8 | |
| Sep 6, 2026Arrived | Buffalo | Dulles | -25 | |
| Sep 5, 2026Arrived | Buffalo | Dulles | 1 | |
| Sep 4, 2026Arrived | Buffalo | Dulles | 5 |