AA4634 St LouisSTL WashingtonDCA
AA4634 by American Airlines flies from St Louis (STL) to Washington (DCA).
scheduled from STL
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at STL and DCA 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 St Louis to Washington flights today
same route · American AirlinesIf AA4634 is cancelled, these are the other American Airlines nonstop flights from St Louis to Washington on the same day, with scheduled departure times in STL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA4634 actually runs
Pro Flight Search has tracked every published board update for AA4634 across the STL and DCA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 3.2/100. Based on airport operations, weather, and cached board history at STL and DCA.
The verdict above is that record speaking, so it reflects how AA4634 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AA4634? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA4634 St Louis to Washington on-time performance, measured from the STL and DCA airport boards.
https://proflightsearch.com/flight/AA4634
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