AA4021 PhoenixPHX · 16:48 CarlsbadCLD
AA4021 by American Airlines flies from Phoenix (PHX) to Carlsbad (CLD) for the Wed, Sep 16 departure.
departs PHX · on schedule
board checked 42m ago · checking again in 45s
Where the minutes go
last 4 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 boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Phoenix to Carlsbad flights today
same route · American AirlinesIf AA4021 is cancelled, these are the other American Airlines nonstop flights from Phoenix to Carlsbad on the same day, with scheduled departure times in PHX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA4021 actually runs
Pro Flight Search has tracked every published board update for AA4021 across the PHX and CLD boards: schedule changes, gate pushes and actual clocks. Usually departs ~32 min late. Based on 4 confirmed departures · 2/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA4021 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as PHX and CLD published them.
Planning around AA4021? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA4021 Phoenix to Carlsbad on-time performance, measured from the PHX and CLD airport boards.
https://proflightsearch.com/flight/AA4021
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