WN12 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN12, which currently operates between the airports of Saint Louis - St Louis Lambert International Airport (Airport Code STL) and Phoenix - Phoenix Sky Harbor International Airport (Airport Code PHX).
This flight data pertains specifically to the flight's details for Tuesday, July 07, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN12
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN12
WN12 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
WN12 Southwest Airlines from Saint Louis
Landed - On-time
Flight Status for Tuesday July 07, 2026
This flight is also scheduled for Today (July 08, 2026). See it here
Landed - On-time
Flight Status for Tuesday July 07, 2026
Airline information
Southwest Airlines
Equipment: Boeing 737-800 (Scimitar Winglets) Passenger
Departure
Saint Louis (STL)
July 07, 2026
St Louis Lambert International Airport
Departed at:
09:40 am
Terminal:
2
Gate:
E34
Scheduled Departure Time: 09:40 am
Arrival
Phoenix (PHX)
July 07, 2026
Phoenix Sky Harbor International Airport
Arrived at:
10:35 am
Terminal:
4
Gate:
D17
Scheduled Arrival Time: 10:50 am
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.phoenix-airport.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 WN12?
The flight WN12 is currently not scheduled at Phoenix Airport (PHX).
Which is the distance of flight WN12?
The distance between the two airports is 1259 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: 2026-07-08 14:35:08
Current Time in Phoenix: 2026-07-08 12:35:08
The flight WN12 is currently not scheduled at Phoenix Airport (PHX).
Which is the distance of flight WN12?
The distance between the two airports is 1259 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: 2026-07-08 14:35:08
Current Time in Phoenix: 2026-07-08 12:35:08
Alternative Flights
The following airlines serves the same route between Saint Louis and Phoenix:
American Airlines
- Flight Number: AA2574. (On Time performance: 85 - Average Delay: 33 minutes)
- Flight Number: AA3179. (On Time performance: 70 - Average Delay: 37 minutes)
Southwest Airlines
- Flight Number: WN143. (On Time performance: 80 - Average Delay: 7 minutes)
- Flight Number: WN170. (On Time performance: 63 - Average Delay: 42 minutes)
- Flight Number: WN3306. (On Time performance: 25 - Average Delay: 27 minutes)
- Flight Number: WN3967. (On Time performance: 95 - Average Delay: 4 minutes)
- Flight Number: WN3968. (On Time performance: 42 - Average Delay: 30 minutes)
- Flight Number: WN4360. (On Time performance: 20 - Average Delay: 45 minutes)
- Flight Number: WN4615. (On Time performance: 30 - Average Delay: 41 minutes)
American Airlines
- Flight Number: AA2574. (On Time performance: 85 - Average Delay: 33 minutes)
- Flight Number: AA3179. (On Time performance: 70 - Average Delay: 37 minutes)
Southwest Airlines
- Flight Number: WN143. (On Time performance: 80 - Average Delay: 7 minutes)
- Flight Number: WN170. (On Time performance: 63 - Average Delay: 42 minutes)
- Flight Number: WN3306. (On Time performance: 25 - Average Delay: 27 minutes)
- Flight Number: WN3967. (On Time performance: 95 - Average Delay: 4 minutes)
- Flight Number: WN3968. (On Time performance: 42 - Average Delay: 30 minutes)
- Flight Number: WN4360. (On Time performance: 20 - Average Delay: 45 minutes)
- Flight Number: WN4615. (On Time performance: 30 - Average Delay: 41 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 Weekday: We have gathered available data from last six months, spanning from February 12, 2026 to April 04, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from February 12, 2026 to April 04, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from February 12, 2026 to April 04, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from February 12, 2026 to April 04, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
Last Past Flights WN12
Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
07 July
07 July
09:40 am
Saint Louis (STL)
Saint Louis (STL)
10:35 am
Phoenix (PHX)
Phoenix (PHX)
02h 55min
Boeing 737-800
Boeing 737-800
Landed - On-time