DCA → STLWashington to St Louis

live

Direct flights from Washington (DCA) to St Louis (STL): 13 nonstop departures observed each week across 2 airlines. 81% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 21 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 20 October 2026 at 15:18 UTC.

Today, DCA → STL

Tue 20 Oct · local times
  1. 08:00 WN1519Southwest Est. 08:00Departure not confirmed by the board STL est. 09:19sched 09:25
  2. 08:26 AA4645American Est. 08:26Departure not confirmed by the board STL est. 10:09sched 10:18
  3. 11:10 AA4508American Est. 11:10Departure not confirmed by the board STL est. 12:37sched 12:46
  4. 12:20 WN2701Southwest On scheduleT1 STL est. 13:39sched 13:45

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

DCA Washington smooth · +4
STL St Louis smooth · +0
1,154 km · ~1h 59m est.
dep bank 08:00–18:5513x weekly
Runs reliable · 2 airlines · 13x weekly · nonstop
81% on time

of the last 21 operated DCA → STL flights arrived within 15 minutes

Median arrival delay is −1 min. 0 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−1 minacross the last 21 operated legs
Flight time~1h 59mestimated from route distance
Weekly departures13x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 21

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 AirlinesAA70% 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 AirlinesWN91% 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
10-19AA2030dep +211 → arr+160
10-19AA4508dep +10 → arr−38
10-19AA4536dep +53 → arr−46
10-19AA4645dep +25 → arr−43
10-19WN1519dep +43 → arr−1
10-19WN1521dep +35 → arr−10
10-19WN1522dep +54 → arr+7
10-19WN398dep +41 → arr−1
10-18AA2030dep +65 → arr+9
10-18AA4508dep +8 → arr−39
10-18AA4536dep +22 → arr−44
10-18WN1143dep +74 → arr+27
10-18WN1519dep +7 → arr−40
10-18WN1522dep +48 → arr+0
10-18WN3700dep +44 → arr+0
10-17AA4536dep +19 → arr−34
10-17WN1519dep +34 → arr+3
10-17WN1521dep +4 → arr−38
10-17WN494dep +43 → arr−7
10-16AA2030departed+26
10-16AA4508departed+32

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 +4 min smooth 🌤 few clouds · N 10 kt Full DCA delay board →
STLSt Louis +0 min smooth 🌤 few clouds · N 0 kt Full STL delay board →

Weather lens

Current conditions put the pressure at DCA and STL: 43% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. 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 96/100. 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.