AA4638 WashingtonDCA · 13:47 PortlandPWM · 15:33
AA4638 by American Airlines flies from Washington (DCA) to Portland (PWM) for the Wed, Nov 11 departure.
arrived at PWM · 25 min early
⚖ AA4638 typically leaves +14 and lands −22. The air wins minutes back.Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −22 min · 0 cancelled · 10 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DCA and PWM are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at Washington
ForecastThu 12 Nov, local date
- 90% 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.
Tomorrow at Portland
ForecastThu 12 Nov, local date
- 79% 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.
Other Washington to Portland flights today
same route · American AirlinesIf AA4638 is cancelled, these are the other American Airlines nonstop flights from Washington to Portland on the same day, with scheduled departure times in DCA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How AA4638 actually runs
Pro Flight Search has tracked every published board update for AA4638 across the DCA and PWM boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 10 confirmed landings · 9/10 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how AA4638 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: N432YX, N428YX, N412YX, N440YX.
Board clocks recorded as DCA and PWM published them.
Planning around AA4638? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: AA4638 Washington to Portland on-time performance, measured from the DCA and PWM airport boards.
https://proflightsearch.com/flight/AA4638
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