AA4039 San AntonioSAT · 08:43 Dallas-Fort WorthDFW · 15:04
AA4039 by American Airlines flies from San Antonio (SAT) to Dallas-Fort Worth (DFW) for the Tue, Aug 18 departure.
departs SAT · 30 min early
board checked 22m ago · checking again in 45s
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 −14 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SAT and DFW are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Antonio to Dallas-Fort Worth flights today
same route · American AirlinesIf AA4039 is cancelled, these are the other American Airlines nonstop flights from San Antonio to Dallas-Fort Worth on the same day, with scheduled departure times in SAT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA4039 actually runs
Pro Flight Search has tracked every published board update for AA4039 across the SAT and DFW boards: schedule changes, gate pushes and actual clocks. Usually lands ~14 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA4039 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: N201NN, N271NN, N323ED, N247NN.
Board clocks recorded as SAT and DFW published them.
Planning around AA4039? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — AA4039 San Antonio to Dallas-Fort Worth on-time performance, measured from the SAT and DFW airport boards.
https://proflightsearch.com/flight/AA4039
.