Is UA4251 delayed?
No — UA4251 landed in Dulles 31 min early, at 06:45 on Sep 29 (as of Sep 29, 10:45 UTC).
Usually on time: arrived within 15 min of schedule on 17 of the last 19 flights.
31 min early
Official source · Updated
Departure
Greensboro
GSO
Actual
Scheduled 06:16
Sep 29
Arrival
Dulles
IAD
Actual
Scheduled 07:17
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Market settled: On time.
Think UA4251 runs late on Sep 30? Delayed is trading at 18¢ — pays out x5.49.
Will United Airlines UAL 4251 from Greensboro to Dulles arrive on time, be delayed, or be cancelled on Sep 30?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 31 min early
Greensboro → Dulles
- 13 min early
Greensboro → Dulles
- 16 min early
Greensboro → Dulles
- 21 min late
Dulles → Greensboro
- 14 min early
Greensboro → Dulles
Is UA4251 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Dulles (IAD) departures
- Left more than 15 min late
- 31 of 206
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Greensboro | Dulles | -31 | |
| Sep 28, 2026Arrived | Greensboro | Dulles | -13 | |
| Sep 27, 2026Arrived | Greensboro | Dulles | -16 | |
| Sep 26, 2026Arrived | Dulles | Greensboro | 21 | |
| Sep 25, 2026Arrived | Greensboro | Dulles | -14 | |
| Sep 24, 2026Arrived | Corpus Christi | Houston | -20 | |
| Sep 22, 2026Arrived | Houston | Corpus Christi | -7 | |
| Sep 21, 2026Arrived | Houston | Corpus Christi | 20 | |
| Sep 19, 2026Arrived | Baton Rouge | Houston | -24 | |
| Sep 16, 2026Arrived | Houston | Corpus Christi | -19 | |
| Sep 15, 2026Arrived | Houston | Corpus Christi | -19 | |
| Sep 14, 2026Arrived | Houston | Corpus Christi | -14 | |
| Sep 12, 2026Arrived | Baton Rouge | Houston | -29 | |
| Sep 9, 2026Arrived | Houston | Corpus Christi | 0 | |
| Sep 8, 2026Arrived | Houston | Corpus Christi | -14 | |
| Sep 7, 2026Arrived | Greensboro | Dulles | -16 | |
| Sep 6, 2026Arrived | Greensboro | Dulles | -24 | |
| Sep 5, 2026Arrived | Greensboro | Dulles | -15 | |
| Sep 4, 2026Arrived | Greensboro | Dulles | -16 |
Email me if UA4251 runs late
We email you if your next UA4251 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.