AA4540 WashingtonDCA · 11:25 HalifaxYHZ
AA4540 by American Airlines flies from Washington (DCA) to Halifax (YHZ) for the Tue, Sep 15 departure.
en route from DCA to YHZ
board checked 98m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 11:29 · typical taxi-out at DCA ≈ 7.1 min.
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 operation0 cancelled · 15 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How AA4540 actually runs
Pro Flight Search has tracked every published board update for AA4540 across the DCA and YHZ boards: schedule changes, gate pushes and actual clocks. Usually departs ~14 min late. Based on 14 confirmed departures · 9/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA4540 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: N129HQ, N413YX, N425YX, N416YX.
Board clocks recorded as DCA and YHZ published them.
Planning around AA4540? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA4540 Washington to Halifax on-time performance, measured from the DCA and YHZ airport boards.
https://proflightsearch.com/flight/AA4540
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