🇺🇸 STL
St Louis
1733 mi
SFO 🇺🇸
San Francisco

St Louis to San Francisco Flights

St. Louis Lambert International Airport San Francisco International Airport 3 airlines

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The St Louis to San Francisco route connects St. Louis Lambert International Airport (STL) in US with San Francisco International Airport (SFO) in US. This medium-haul flight covers approximately 1733 miles (2789 km) with a typical flight time of 4h 4m. This route is served by 3 airlines: SKW, Southwest, UAL. AirportRoutes has tracked 8 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

San Francisco International Airport

ICAO Code:
KSFO
IATA Code:
SFO
City:
🇺🇸 San Francisco
Country:
US
Elevation:
13 ft

3

Operators

8

Tracked Flights

1733

Miles

4h 4m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
SkyWest SKW OO
Southwest SWA WN
United UAL UA

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 5 25%
Tuesday 1 5%
Wednesday 1 5%
Thursday 5 25%
Friday 4 20%
Saturday 3 15%
Sunday 1 5%

Pattern Analysis

8 Tracked Flights:
Data Points: 20
API observations used to build this analysis
Weekdays: 16 flights
Weekend: 4 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
SkyWest
SKW / OO
CRJ7 06:51 6:51 AM (Representative)
M T W T F S S
Jul 12, 2026 Active
Southwest
SWA / WN
B738 08:25 8:25 AM (Representative)
M T W T F S S
Jul 12, 2026 Active
United
UAL / UA
B39M 00:36 12:36 AM (Representative)
M T W T F S S
Jul 12, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
00:36 12:36 AM United UAL UA
06:51 6:51 AM SkyWest SKW OO
08:25 8:25 AM Southwest SWA WN

Time Information

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

Total Departure Times: 3
Time Range:
00:36 - 08:25
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.