🇺🇸 DCA
Washington
718 mi
STL 🇺🇸
St Louis

Washington to St Louis Flights

Ronald Reagan Washington National Airport St. Louis Lambert International Airport 4 airlines

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The Washington to St Louis route connects Ronald Reagan Washington National Airport (DCA) in US with St. Louis Lambert International Airport (STL) in US. This short-haul flight covers approximately 718 miles (1156 km) with a typical flight time of 2h 2m. This route is served by 4 airlines: Southwest, PSA Airlines, Republic and others. AirportRoutes has tracked 14 unique flight numbers on this route.

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Departure Airport

Ronald Reagan Washington National Airport

ICAO Code:
KDCA
IATA Code:
DCA
City:
🇺🇸 Washington
Country:
US
Elevation:
15 ft

Destination Airport

St. Louis Lambert International Airport

ICAO Code:
KSTL
IATA Code:
STL
City:
🇺🇸 St Louis
Country:
US
Elevation:
618 ft

4

Operators

14

Tracked Flights

718

Miles

2h 2m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Southwest SWA WN
PSA Airlines JIA OH
Republic RPA YX
American Airlines AAL AA

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 1 2%
Tuesday 4 10%
Wednesday 12 29%
Thursday 9 22%
Friday 4 10%
Saturday 5 12%
Sunday 6 15%

Pattern Analysis

14 Tracked Flights:
Data Points: 41
API observations used to build this analysis
Weekdays: 30 flights
Weekend: 11 flights
Business Route More active on weekdays

All Flight Routes

4 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
A319 15:30 3:30 PM (Representative)
M T W T F S S
Jun 16, 2026 Active
CRJ7 13:44 1:44 PM (Representative)
M T W T F S S
Jun 16, 2026 Active
Republic
RPA / YX
E75L 19:51 7:51 PM (Representative)
M T W T F S S
Jun 16, 2026 Active
Southwest
SWA / WN
B737 12:15 12:15 PM (Representative)
M T W T F S S
Jun 16, 2026 Active
Total Routes: 4
Active Routes: 4
Unique Airlines: 4
Aircraft Types: 4

Spotted Departure Times

Departure Time Operator ICAO IATA
12:15 12:15 PM Southwest SWA WN
13:44 1:44 PM PSA Airlines JIA OH
15:30 3:30 PM American Airlines AAL AA
19:51 7:51 PM Republic RPA YX

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 4
Time Range:
12:15 - 19:51
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.