🇺🇸 BOS
Boston
1139 mi
STL 🇺🇸
St Louis

Boston to St Louis Flights

Logan International Airport St. Louis Lambert International Airport 3 airlines

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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 1139 miles (1833 km) with a typical flight time of 2h 35m. This route is served by 3 airlines: Southwest, ENY, Republic. AirportRoutes has tracked 11 unique flight numbers on this route.

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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

3

Operators

11

Tracked Flights

1139

Miles

2h 35m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Southwest SWA WN
Envoy Air ENY MQ
Republic RPA YX

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 6 13%
Tuesday 7 15%
Wednesday 7 15%
Thursday 6 13%
Friday 6 13%
Saturday 11 23%
Sunday 4 9%

Pattern Analysis

11 Tracked Flights:
Data Points: 47
API observations used to build this analysis
Weekdays: 32 flights
Weekend: 15 flights
Business Route More active on weekdays

All Flight Routes

3 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
Envoy Air
ENY / MQ
E170 07:00 7:00 AM (Representative)
M T W T F S S
Jun 17, 2026 Active
Republic
RPA / YX
E75L 09:05 9:05 AM (Representative)
M T W T F S S
Jun 17, 2026 Active
Southwest
SWA / WN
B738 05:45 5:45 AM (Representative)
M T W T F S S
Jun 17, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
05:45 5:45 AM Southwest SWA WN
07:00 7:00 AM Envoy Air ENY MQ
09:05 9:05 AM Republic RPA YX

Time Information

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

Total Departure Times: 3
Time Range:
05:45 - 09:05
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.