🇺🇸 STL
St Louis
718 mi
DCA 🇺🇸
Washington

St Louis to Washington Flights

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

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The St Louis to Washington route connects St. Louis Lambert International Airport (STL) in US with Ronald Reagan Washington National Airport (DCA) in US. This short-haul flight covers approximately 718 miles (1156 km) with a typical flight time of 1h 42m. This route is served by 4 airlines: Southwest, PSA Airlines, RPA and others. AirportRoutes has tracked 22 unique flight numbers on this route.

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Departure Airport

St. Louis Lambert International Airport

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

Destination Airport

Ronald Reagan Washington National Airport

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

4

Operators

22

Tracked Flights

718

Miles

1h 42m

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 10 14%
Tuesday 14 20%
Wednesday 9 13%
Thursday 14 20%
Friday 9 13%
Saturday 9 13%
Sunday 4 6%

Pattern Analysis

22 Tracked Flights:
Data Points: 69
API observations used to build this analysis
Weekdays: 56 flights
Weekend: 13 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
A21N 09:05 9:05 AM (Representative)
M T W T F S S
Jul 12, 2026 Active
CRJ9 05:08 5:08 AM (Representative)
M T W T F S S
Jul 12, 2026 Active
Republic
RPA / YX
E75L 06:06 6:06 AM (Representative)
M T W T F S S
Jul 12, 2026 Active
Southwest
SWA / WN
B737 15:45 3:45 PM (Representative)
M T W T F S S
Jul 12, 2026 Active
Total Routes: 4
Active Routes: 4
Unique Airlines: 4
Aircraft Types: 4

Spotted Departure Times

Departure Time Operator ICAO IATA
05:08 5:08 AM PSA Airlines JIA OH
06:06 6:06 AM Republic RPA YX
09:05 9:05 AM American Airlines AAL AA
15:45 3:45 PM Southwest SWA WN

Time Information

Times are shown in the departure airport's local timezone (KSTL - America/Chicago).

Total Departure Times: 4
Time Range:
05:08 - 15:45
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.