AA4040 DenverDEN · 06:00 PhoenixPHX · 07:07
AA4040 by American Airlines flies from Denver (DEN) to Phoenix (PHX).
scheduled from DEN
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and PHX 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 Denver
ForecastThu 5 Nov, local date
- 27% chance of fog
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 Phoenix
ForecastThu 5 Nov, local date
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 Denver to Phoenix flights today
same route · American AirlinesIf AA4040 is cancelled, these are the other American Airlines nonstop flights from Denver to Phoenix on the same day, with scheduled departure times in DEN 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 AA4040 actually runs
Pro Flight Search has tracked every published board update for AA4040 across the DEN and PHX boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +7 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA4040 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: N250NN, N225NN, N257NN.
Board clocks recorded as DEN and PHX published them.
Planning around AA4040? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: AA4040 Denver to Phoenix on-time performance, measured from the DEN and PHX airport boards.
https://proflightsearch.com/flight/AA4040
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