AA4436American Airlines · STL → DCA
updated 2h ago
Route confirmed American Airlines

AA4436 St LouisSTL WashingtonDCA

AA4436 by American Airlines flies from St Louis (STL) to Washington (DCA).

Right nowNext departure today Operates daily
10:28

scheduled from STL

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
DCAWashingtonOn-time likelyDCA delay board →
STL→DCAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
2.8%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions 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. 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 Washington

Forecast

Thu 5 Nov, local date

High23°Clikely 21°C to 25°C
Low19°Clikely 16°C to 20°C
  • 92% chance of rain

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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other St Louis to Washington flights today

same route · American Airlines
AA4703departs 06:00
AA4678departs 07:03
AA4458departs 10:25
AA4645departs 10:48
AA4769departs 15:51
AA2030departs 17:08

If AA4436 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How AA4436 actually runs

Pro Flight Search has tracked every published board update for AA4436 across the STL and DCA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at STL and DCA.

The verdict above is that record speaking, so it reflects how AA4436 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: AA4436 St Louis to Washington on-time performance, measured from the STL and DCA airport boards.

Canonical URL
https://proflightsearch.com/flight/AA4436
How we measure this →