UA4251 GreensboroGSO WashingtonIAD · 07:17
UA4251 by United Airlines flies from Greensboro (GSO) to Washington (IAD).
scheduled from GSO
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsTomorrow at IAD
ForecastThu 5 Nov, local date
- 94% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA4251 actually runs
Pro Flight Search has tracked every published board update for UA4251 across the GSO and IAD boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 3 completed legs so far: landed -7 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4251 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N11150, N16170, N12142.
Board clocks recorded as GSO and IAD published them.
Planning around UA4251? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: UA4251 Greensboro to Washington on-time performance, measured from the GSO and IAD airport boards.
https://proflightsearch.com/flight/UA4251