WN3531 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN3531, which currently operates between the airports of Las Vegas - Las Vegas Harry Reid International Airport (Airport Code LAS) and Saint Louis - St Louis Lambert International Airport (Airport Code STL).
This flight data pertains specifically to the flight's details for Saturday, February 21, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3531
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3531
WN3531 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
WN3531 Southwest Airlines to Saint Louis
Landed - On-time
Flight Status for Saturday February 21, 2026
Landed - On-time
Flight Status for Saturday February 21, 2026
Airline information
Southwest Airlines
Equipment: Boeing 737MAX 8 Passenger
Departure
Las Vegas (LAS)
February 21, 2026
Las Vegas Harry Reid International Airport
Departed at:
06:39 pm
Terminal:
1
Gate:
C12
Scheduled Departure Time: 06:35 pm
Arrival
Saint Louis (STL)
February 21, 2026
St Louis Lambert International Airport
Arrived at:
11:25 pm
Terminal:
2
Gate:
E10
Scheduled Arrival Time: 11:40 pm
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.las-vegas-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 WN3531?
The flight WN3531 is scheduled to flight on Monday, Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight WN3531?
The distance between the two airports is 1368 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 Las Vegas: 2026-02-22 09:01:13
Current Time in Saint Louis: 2026-02-22 11:01:13
The flight WN3531 is scheduled to flight on Monday, Thursday, Friday, Saturday, Sunday on a weekly basis.
Which is the distance of flight WN3531?
The distance between the two airports is 1368 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 Las Vegas: 2026-02-22 09:01:13
Current Time in Saint Louis: 2026-02-22 11:01:13
Alternative Flights
The following airlines serves the same route between Las Vegas and Saint Louis:
Frontier Airlines
- Flight Number: F92018. (On Time performance: 86 - Average Delay: 9 minutes)
Southwest Airlines
- Flight Number: WN1407. (On Time performance: 68 - Average Delay: 151 minutes)
- Flight Number: WN2235. (On Time performance: 100 - Average Delay: 2 minutes)
- Flight Number: WN2274.
- Flight Number: WN2275. (On Time performance: 91 - Average Delay: 4 minutes)
- Flight Number: WN2277. (On Time performance: 76 - Average Delay: 9 minutes)
- Flight Number: WN2278.
- Flight Number: WN2721. (On Time performance: 80 - Average Delay: 8 minutes)
- Flight Number: WN314. (On Time performance: 100 - Average Delay: 3 minutes)
- Flight Number: WN3640. (On Time performance: 90 - Average Delay: 6 minutes)
- Flight Number: WN4047. (On Time performance: 79 - Average Delay: 6 minutes)
Frontier Airlines
- Flight Number: F92018. (On Time performance: 86 - Average Delay: 9 minutes)
Southwest Airlines
- Flight Number: WN1407. (On Time performance: 68 - Average Delay: 151 minutes)
- Flight Number: WN2235. (On Time performance: 100 - Average Delay: 2 minutes)
- Flight Number: WN2274.
- Flight Number: WN2275. (On Time performance: 91 - Average Delay: 4 minutes)
- Flight Number: WN2277. (On Time performance: 76 - Average Delay: 9 minutes)
- Flight Number: WN2278.
- Flight Number: WN2721. (On Time performance: 80 - Average Delay: 8 minutes)
- Flight Number: WN314. (On Time performance: 100 - Average Delay: 3 minutes)
- Flight Number: WN3640. (On Time performance: 90 - Average Delay: 6 minutes)
- Flight Number: WN4047. (On Time performance: 79 - Average Delay: 6 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: We have gathered available data from last twelve closed months, spanning from March 06, 2025 to April 07, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.
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: We have gathered available data from last twelve closed months, spanning from March 06, 2025 to April 07, 2025. 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 WN3531
Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
21 February
21 February
06:39 pm
Las Vegas (LAS)
Las Vegas (LAS)
11:25 pm
Saint Louis (STL)
Saint Louis (STL)
02h 46min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
14 February
14 February
06:45 pm
Las Vegas (LAS)
Las Vegas (LAS)
11:42 pm
Saint Louis (STL)
Saint Louis (STL)
02h 57min
Boeing 737MAX
Boeing 737MAX
Landed - On-time