Flights operate between Washington (DCA) and Saint Louis (STL).
1 airline operates this route with 6-10 flights daily flights.
Average flight time is 2h 10m - 2h 48m.
Route distance is 721 miles (1160 km).
Route Distance
721 miles (1160 km)
Average Duration
2h 10m - 2h 48m
Airlines Operating This Route
Southwest Airlines
Flight Frequency
Daily Flights
6-10 flights
Weekly Flights
53
Typical Departure Time Ranges
Earliest Departure
08:00
Latest Departure
18:45
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Southwest Airlines serves 1 destination from DCA
Weekly Frequency
28
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| DCA → Saint Louis (STL) (STL) | 28/week | 2h 10m - 2h 48m | 721 km | Moderate |
Flight Schedule & Filters
Southwest Airlines flights from Arlington (DCA) to Saint Louis (STL)
Southwest Airlines operates scheduled nonstop flights between Arlington (DCA) and Saint Louis (STL). Southwest Airlines operates 6-10 flights daily flights on this route.• Flight Duration: 2h 10m - 2h 48m (average flight time)• Distance: 721 miles (1160 km) (air miles between airports)• Daily Flights: 6-10 flights (scheduled departures per day)
Arlington (DCA)
US
Saint Louis (STL)
US
FLIGHT TIME
2h 10m - 2h 48m
FLIGHT DISTANCE
721 miles (1160 km)
2h 20m - 2h 25m
08:00
18:45
721 miles (1160 km)
March
1 (Show)
53
Southwest Airlines Terminal Information & Contact
Departure Terminal - Arlington (DCA)
Terminal: 1
Phone: 800-435-9792
Location: 1, Washington, US
Arrival Terminal - Saint Louis (STL)
Terminal: 2
Phone: 800-435-9792
Location: 2, St Louis, US
Southwest Airlines Flight Schedule from Arlington (DCA) to Saint Louis (STL)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2478 |  Southwest Airlines | 08:00 | 09:20:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN2398 | Southwest Airlines | 12:15 | 13:35:00 | Boeing 737MAX 8 Passenger |
WN2401 | Southwest Airlines | 15:15 | 16:40:00 | Boeing 737MAX 8 Passenger |
WN2403 | Southwest Airlines | 18:45 | 20:10:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
Southwest Airlines Monthly Flight Calendar
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Southwest Airlines Terminal Information
Departure Terminal at Arlington (DCA):
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Arrival Terminal at Saint Louis (STL):
• Terminal : Southwest Airlines operates from this terminal
Terminal 2:
• Southwest Airlines Terminal Phone: 800-435-9792
Southwest Airlines Contact Information and Customer Services
Southwest Airlines Address
2702 Love Field Dr
Dallas, TX 75235, US
Customer Service Phone
800-435-9792Official Website
southwest.com/Frequently Asked Questions
How many Southwest Airlines flights operate from Washington (DCA) to St Louis (STL)?
Southwest Airlines operates 4 flights from Washington (DCA) to St Louis (STL).
What city does St Louis (STL) airport serve?
St Louis (STL) airport serves Saint Louis, US.
How long is the Southwest Airlines flight from Washington (DCA) to St Louis (STL)?
The flight duration is approximately 2h 10m - 2h 48m.
What is the distance from Washington (DCA) to St Louis (STL)?
The distance is 721 miles (1160 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737MAX 8 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: American Airlines.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 08:00 and the latest departs at 18:45.
View all Southwest Airlines flights to Washington (DCA) →
Popular Southwest Airlines routes from Washington include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.