Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

WN15 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN15, which currently operates between the airports of Saint Louis - St Louis Lambert International Airport (Airport Code STL) and San Francisco - San Francisco International Airport (Airport Code SFO).
This flight data pertains specifically to the flight's details for Saturday, October 25, 2025.

WN15 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

WN15 Southwest Airlines from Saint Louis

We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.

Airline information

Southwest Airlines
Southwest Airlines

Departure

Saint Louis (STL)
October 25, 2025
St Louis Lambert International Airport

Arrival

San Francisco (SFO)
October 25, 2025
San Francisco International Airport
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-sfo.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Additional Information

Which is the frequency of flight WN15?
The flight WN15 is currently not scheduled at San Francisco Airport (SFO).

Which is the distance of flight WN15?
The distance between the two airports is 1732 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Saint Louis: 2025-10-27 04:19:13
Current Time in San Francisco: 2025-10-27 02:19:13

Alternative Flights

The following airlines serves the same route between Saint Louis and San Francisco:

United Airlines
- Flight Number: UA5530. (On Time performance: 74 - Average Delay: 21 minutes)

Southwest Airlines
- Flight Number: WN1122.
- Flight Number: WN4315. (On Time performance: 63 - Average Delay: 18 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights WN15

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
25 October
04:35 pm
Saint Louis (STL)
06:48 pm
San Francisco (SFO)
04h 13min
Boeing 737-700
Boeing 737-700
Landed - On-time
Saturday
18 October
05:24 pm
Saint Louis (STL)
07:36 pm
San Francisco (SFO)
04h 12min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Saturday
11 October
04:59 pm
Saint Louis (STL)
07:20 pm
San Francisco (SFO)
04h 21min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Saturday
04 October
05:02 pm
Saint Louis (STL)
07:16 pm
San Francisco (SFO)
04h 14min
Boeing 737-700
Boeing 737-700
Landed - Delayed