Direct flights from St Louis (STL) to Washington (DCA): 14 nonstop departures observed each week across 2 airlines. 92% of the last 25 operated flights arrived within 15 minutes of schedule. The median arrival is 22 minutes early. No cancellations were recorded across the 25 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 St Louis and Washington. Updated 10 September 2026 at 15:18 UTC.
STLSt Louissmooth · +12
DCAWashingtonsmooth · +0
1,154 km · ~1h 59m est.
dep bank 06:00–19:5514x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
92% on time
of the last 25 operated STL → DCA flights arrived within 15 minutes
How the St Louis to Washington route actually runs
Pro Flight Search records official board updates for nonstop STL to DCA 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.
Mostly on schedule. The departure side at STL is the weaker end, route health score 73/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on STL–DCA?
Operators schedule morning departures around 06:00 and evening departures around 17:57 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DCA delay card to confirm conditions when you'd arrive.
How long is the flight from STL to DCA?
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 STL–DCA fly?
2 carriers operate this route, around 49 flights a week between them. Compare carrier days and times in the airline list above.
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