WN4219 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN4219, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Saint Louis - St Louis Lambert International Airport (Airport Code STL).
This flight data pertains specifically to the flight's details for Sunday, April 12, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN4219
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN4219
WN4219 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
WN4219 Southwest Airlines to Saint Louis
En Route - Delayed
Delay: 20 minutes
Flight Status for Sunday April 12, 2026
This flight is also scheduled for Tomorrow (April 13, 2026). See it here
En Route - Delayed
Delay: 20 minutes
Flight Status for Sunday April 12, 2026
Airline information
Southwest Airlines
Equipment: Boeing 737MAX 8 Passenger
Departure
San Francisco (SFO)
April 12, 2026
San Francisco International Airport
Departed at:
01:55 pm
Terminal:
2
Gate:
D3
Scheduled Departure Time: 01:10 pm
Arrival
Saint Louis (STL)
April 12, 2026
St Louis Lambert International Airport
Estimated Arrival Time:
07:25 pm
Terminal:
2
Gate:
E10
Scheduled Arrival Time: 07:05 pm
Disclaimer
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Additional Information
Which is the frequency of flight WN4219?
The flight WN4219 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight WN4219?
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 San Francisco: 2026-04-12 14:01:09
Current Time in Saint Louis: 2026-04-12 16:01:09
The flight WN4219 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight WN4219?
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 San Francisco: 2026-04-12 14:01:09
Current Time in Saint Louis: 2026-04-12 16:01:09
Alternative Flights
The following airlines serves the same route between San Francisco and Saint Louis:
United Airlines
- Flight Number: UA5304. (On Time performance: 88 - Average Delay: 56 minutes)
- Flight Number: UA5739. (On Time performance: 71 - Average Delay: 66 minutes)
- Flight Number: UA6046. (On Time performance: 80 - Average Delay: 9 minutes)
Southwest Airlines
- Flight Number: WN368. (On Time performance: 71 - Average Delay: 13 minutes)
United Airlines
- Flight Number: UA5304. (On Time performance: 88 - Average Delay: 56 minutes)
- Flight Number: UA5739. (On Time performance: 71 - Average Delay: 66 minutes)
- Flight Number: UA6046. (On Time performance: 80 - Average Delay: 9 minutes)
Southwest Airlines
- Flight Number: WN368. (On Time performance: 71 - Average Delay: 13 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
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 WN4219
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
10 April
10 April
01:13 pm
San Francisco (SFO)
San Francisco (SFO)
07:14 pm
Saint Louis (STL)
Saint Louis (STL)
04h 01min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Thursday
09 April
09 April
01:13 pm
San Francisco (SFO)
San Francisco (SFO)
07:16 pm
Saint Louis (STL)
Saint Louis (STL)
04h 03min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Wednesday
08 April
08 April
12:17 pm
San Francisco (SFO)
San Francisco (SFO)
05:56 pm
Saint Louis (STL)
Saint Louis (STL)
03h 39min
Boeing 737-700
Boeing 737-700
Landed - On-time
Tuesday
07 April
07 April
01:10 pm
San Francisco (SFO)
San Francisco (SFO)
07:10 pm
Saint Louis (STL)
Saint Louis (STL)
04h 00min
Boeing 737-700
Boeing 737-700
Landed - Delayed