WN431 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN431, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Las Vegas - Las Vegas Harry Reid International Airport (Airport Code LAS).
This flight data pertains specifically to the flight's details for Monday, April 20, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN431
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN431
WN431 On Time performance:
100
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
WN431 Southwest Airlines from Seattle
Landed - On-time
Delay: 4 minutes
Flight Status for Monday April 20, 2026
Landed - On-time
Delay: 4 minutes
Flight Status for Monday April 20, 2026
Departure
Seattle (SEA)
April 20, 2026
Seattle-Tacoma International Airport
Departed at:
06:10 am
Terminal:
-
Gate:
B10
Scheduled Departure Time: 06:15 am
Arrival
Las Vegas (LAS)
April 20, 2026
Las Vegas Harry Reid International Airport
Arrived at:
08:44 am
Terminal:
1
Gate:
B10
Scheduled Arrival Time: 08:40 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.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 WN431?
The flight WN431 is scheduled to flight on Monday, Thursday, Friday, Saturday on a weekly basis.
Which is the distance of flight WN431?
The distance between the two airports is 867 miles.
Which is the flight time of flight WN431?
The scheduled flight time gate to gate is: 02:25 hours.
The real flight time gate to gate on average is: 02:23 hours.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight WN431 is scheduled to flight on Monday, Thursday, Friday, Saturday on a weekly basis.
Which is the distance of flight WN431?
The distance between the two airports is 867 miles.
Which is the flight time of flight WN431?
The scheduled flight time gate to gate is: 02:25 hours.
The real flight time gate to gate on average is: 02:23 hours.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airlines serves the same route between Seattle and Las Vegas:
Alaska Airlines
- Flight Number: AS478. (On Time performance: 76 - Average Delay: 13 minutes)
- Flight Number: AS551. (On Time performance: 79 - Average Delay: 11 minutes)
- Flight Number: AS567.
- Flight Number: AS600. (On Time performance: 88 - Average Delay: 10 minutes)
- Flight Number: AS636. (On Time performance: 62 - Average Delay: 16 minutes)
- Flight Number: AS658. (On Time performance: 86 - Average Delay: 6 minutes)
- Flight Number: AS704. (On Time performance: 98 - Average Delay: 4 minutes)
- Flight Number: AS730. (On Time performance: 74 - Average Delay: 12 minutes)
- Flight Number: AS738. (On Time performance: 88 - Average Delay: 8 minutes)
Delta Air Lines
- Flight Number: DL2880. (On Time performance: 71 - Average Delay: 14 minutes)
- Flight Number: DL2905. (On Time performance: 82 - Average Delay: 13 minutes)
- Flight Number: DL2922. (On Time performance: 88 - Average Delay: 9 minutes)
- Flight Number: DL2949. (On Time performance: 77 - Average Delay: 10 minutes)
- Flight Number: DL2955. (On Time performance: 84 - Average Delay: 11 minutes)
Frontier Airlines
- Flight Number: F94204. (On Time performance: 72 - Average Delay: 16 minutes)
Southwest Airlines
- Flight Number: WN1418. (On Time performance: 67 - Average Delay: 14 minutes)
- Flight Number: WN1950. (On Time performance: 88 - Average Delay: 5 minutes)
- Flight Number: WN2615. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: WN2650. (On Time performance: 64 - Average Delay: 23 minutes)
- Flight Number: WN3510. (On Time performance: 65 - Average Delay: 18 minutes)
- Flight Number: WN365. (On Time performance: 62 - Average Delay: 18 minutes)
- Flight Number: WN3883. (On Time performance: 85 - Average Delay: 16 minutes)
Alaska Airlines
- Flight Number: AS478. (On Time performance: 76 - Average Delay: 13 minutes)
- Flight Number: AS551. (On Time performance: 79 - Average Delay: 11 minutes)
- Flight Number: AS567.
- Flight Number: AS600. (On Time performance: 88 - Average Delay: 10 minutes)
- Flight Number: AS636. (On Time performance: 62 - Average Delay: 16 minutes)
- Flight Number: AS658. (On Time performance: 86 - Average Delay: 6 minutes)
- Flight Number: AS704. (On Time performance: 98 - Average Delay: 4 minutes)
- Flight Number: AS730. (On Time performance: 74 - Average Delay: 12 minutes)
- Flight Number: AS738. (On Time performance: 88 - Average Delay: 8 minutes)
Delta Air Lines
- Flight Number: DL2880. (On Time performance: 71 - Average Delay: 14 minutes)
- Flight Number: DL2905. (On Time performance: 82 - Average Delay: 13 minutes)
- Flight Number: DL2922. (On Time performance: 88 - Average Delay: 9 minutes)
- Flight Number: DL2949. (On Time performance: 77 - Average Delay: 10 minutes)
- Flight Number: DL2955. (On Time performance: 84 - Average Delay: 11 minutes)
Frontier Airlines
- Flight Number: F94204. (On Time performance: 72 - Average Delay: 16 minutes)
Southwest Airlines
- Flight Number: WN1418. (On Time performance: 67 - Average Delay: 14 minutes)
- Flight Number: WN1950. (On Time performance: 88 - Average Delay: 5 minutes)
- Flight Number: WN2615. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: WN2650. (On Time performance: 64 - Average Delay: 23 minutes)
- Flight Number: WN3510. (On Time performance: 65 - Average Delay: 18 minutes)
- Flight Number: WN365. (On Time performance: 62 - Average Delay: 18 minutes)
- Flight Number: WN3883. (On Time performance: 85 - Average Delay: 16 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 02, 2025 to April 17, 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 November 02, 2025 to January 05, 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.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from April 09, 2026 to April 17, 2026, we have obtained these figures.
Total number of flights: 5
On Time: 5 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 3 minutes.
Total number of flights: 5
On Time: 5 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 3 minutes.
Last Past Flights WN431
Date
Departure
Arrival
Duration
Aircraft
Status
Friday
17 April
17 April
06:16 am
Seattle (SEA)
Seattle (SEA)
08:41 am
Las Vegas (LAS)
Las Vegas (LAS)
02h 25min
Boeing 737-700
Boeing 737-700
Landed - On-time
Thursday
16 April
16 April
06:29 am
Seattle (SEA)
Seattle (SEA)
08:46 am
Las Vegas (LAS)
Las Vegas (LAS)
02h 17min
Boeing 737-700
Boeing 737-700
Landed - On-time
Monday
13 April
13 April
06:19 am
Seattle (SEA)
Seattle (SEA)
08:37 am
Las Vegas (LAS)
Las Vegas (LAS)
02h 18min
Boeing 737-700
Boeing 737-700
Landed - On-time
Friday
10 April
10 April
06:19 am
Seattle (SEA)
Seattle (SEA)
08:49 am
Las Vegas (LAS)
Las Vegas (LAS)
02h 30min
Boeing 737-700
Boeing 737-700
Landed - On-time
Thursday
09 April
09 April
06:13 am
Seattle (SEA)
Seattle (SEA)
08:41 am
Las Vegas (LAS)
Las Vegas (LAS)
02h 28min
Boeing 737-700
Boeing 737-700
Landed - On-time
