DCA → STLWashington to St Louis

live

Direct flights from Washington (DCA) to St Louis (STL): 44 nonstop departures observed each week across 2 airlines. 87% of the last 53 tracked flights arrived within 15 minutes of schedule. The median arrival is 24 minutes early. No cancellations were recorded across the 53 tracked flights. The nonstop covers 1,154 km, an estimated 1 hour 59 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and St Louis. Updated 30 October 2026 at 15:18 UTC.

Today, DCA → STL

Fri 30 Oct · local times
  1. 08:00 WN1519Southwest Left 08:12 +12 Landed 09:02 −23
  2. 08:26 AA4645American Left 08:45 +19 Landed 09:41 −37
  3. 11:10 AA4508American On scheduleT2 STL est. 12:37sched 12:46
  4. 12:00 WN1521Southwest On scheduleT1 STL est. 13:34 +9sched 13:25

Checked DCA board 10:18 · STL board 10:18

DCA Washington smooth · +12
STL St Louis smooth · +0
1,154 km · ~1h 59m est.
dep bank 08:00–18:5544x weekly
Runs reliable · 2 airlines · 44x weekly · nonstop
87% on time

of the last 53 tracked DCA → STL flights arrived within 15 minutes

Median arrival delay is −24 min. 0 of 53 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−24 minacross the last 53 arrivals
Flight time~1h 59mestimated from route distance
Weekly departures44x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 53

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesSouthwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
American AirlinesAA100% on time

Flights AA4645 08:26 Mo Tu We Th Fr · AA4508 11:10 Mo Tu We Th Fr Su · AA2030 14:25 Mo Tu We Th Fr Su

Southwest AirlinesWN75% on time

Flights WN1519 08:00 daily · WN1521 12:00 Mo Th Fr Sa · WN2701 12:20 Tu We · WN3700 12:35 Su

History

operated legs · board outcomes
10-30AA4645dep +19 → arr−37
10-30WN1519dep +12 → arr−23
10-29AA2030dep +17 → arr−26
10-29AA4508dep +8 → arr−39
10-29AA4536dep +41 → arr−1
10-29AA4645dep +15 → arr−50
10-29WN1519dep +13 → arr−27
10-29WN1521dep +21 → arr−15
10-29WN1522dep +22 → arr−24
10-29WN398dep +109 → arr+75
10-28AA2030dep +12 → arr−36
10-28AA4508dep +18 → arr−27
10-28AA4536dep +7 → arr−35
10-28AA4645dep +27 → arr−29
10-28WN1519dep +10 → arr−24
10-28WN1522dep +0 → arr−20
10-28WN2701dep +16 → arr−18
10-28WN4124dep +17 → arr−26
10-27AA2030dep +38 → arr−8
10-27AA4508dep +27 → arr−9
10-27AA4536dep +75 → arr−9
10-27AA4645dep +32 → arr−9
10-27WN1519dep +64 → arr−34
10-27WN1522dep +29 → arr−32
10-27WN2701dep +36 → arr−34
10-27WN4124dep +43 → arr−38
10-26AA2030dep +8 → arr−41
10-26AA4508dep +18 → arr−36
10-26AA4536dep +13 → arr−36
10-26AA4645dep +82 → arr+9
10-26WN1519dep +11 → arr−32
10-26WN1521dep +35 → arr−5
10-26WN1522dep +22 → arr−23
10-26WN398dep +39 → arr−3
10-25AA2030dep +28 → arr−23
10-25AA4508dep +10 → arr−42
10-25AA4536dep +18 → arr−36
10-25WN1143dep +97 → arr+51
10-25WN1519dep +6 → arr−39
10-25WN1522dep +37 → arr−5

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
DCAWashington +12 min smooth 🌤 few clouds · SSE 6 kt Full DCA delay board →
STLSt Louis +0 min smooth 🌤 mostly cloudy · E 10 kt Full STL delay board →

Weather lens

Conditions are tightest at DCA and STL: a 41% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +8 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Washington to St Louis route actually runs

Pro Flight Search records official board updates for nonstop DCA to STL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: Washington (DCA) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/DCA-STL
How we measure this →

DCA to STL questions

Is DCA–STL running on time right now?

Smooth skies ahead. The departure side at DCA is the weaker end, route health score 92/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on DCA–STL?

Operators schedule morning departures around 08:00 and evening departures around 18:40 from DCA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from DCA to STL?

Great-circle distance is 1,154 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 111–129 min gate-to-gate on this route.

How often does DCA–STL fly?

2 carriers operate this route, around 44 flights a week between them. Compare carrier days and times in the airline list above.