Boston to St Louis Flights BOS → STL

Logan International Airport → St. Louis Lambert International Airport

🇺🇸 Boston, US → 🇺🇸 St Louis, US

The Boston to St Louis route connects Logan International Airport (BOS) in US with St. Louis Lambert International Airport (STL) in US. This medium-haul flight covers approximately 1045 miles (1682 km) with a typical flight time of 2h 50m. This route is served by 2 airlines: Southwest, Republic. AirportRoutes has tracked 3 daily flights on this route.

Departure Airport

Logan International Airport

ICAO Code:
KBOS
IATA Code:
BOS
City:
🇺🇸 Boston
Country:
US
Elevation:
20 ft

Destination Airport

St. Louis Lambert International Airport

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

2

Operators

3

Daily Flights

1045

Miles

2h 50m

Flight Duration

Route Map

Operating Airlines

Southwest ICAO: SWA • IATA: WN
Republic ICAO: RPA • IATA: YX
Airline ICAO IATA
Southwest SWA WN
Republic RPA YX

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 2 8%
Tuesday 4 17%
Wednesday 4 17%
Thursday 3 12%
Friday 1 4%
Saturday 8 33%
Sunday 2 8%

Pattern Analysis

3 Daily Flights:
SWA1438 RPA4500 SWA1442
Data Points: 24
API observations used to build this analysis
Weekdays: 14 flights
Weekend: 10 flights
Business Route More active on weekdays

All Flight Routes

2 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
Republic
RPA / YX
RPA4500 E75S 07:00 7:00 AM (Representative)
M T W T F S S
Dec 2, 2025 Active
Southwest
SWA / WN
SWA1438 SWA1442 B38M 19:50 7:50 PM (Representative)
M T W T F S S
Dec 24, 2025 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
07:00 7:00 AM Republic RPA YX
19:50 7:50 PM Southwest SWA WN

Time Information

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

Total Departure Times: 2
Time Range:
07:00 - 19:50
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.