WN3999 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN3999, which currently operates between the airports of Las Vegas - Las Vegas Harry Reid International Airport (Airport Code LAS) and San Jose - San Jose Mineta International Airport (Airport Code SJC).
This flight data pertains specifically to the flight's details for Wednesday, March 11, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3999
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN3999
WN3999 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
WN3999 Southwest Airlines to San Jose
We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.
We only provide flight information for yesterday, today and tomorrow. This flight is not scheduled for this interval of time.
Departure
Las Vegas (LAS)
March 11, 2026
Las Vegas Harry Reid International Airport
Arrival
San Jose (SJC)
March 11, 2026
San Jose Mineta 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.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 WN3999?
The flight WN3999 is scheduled to flight on Tuesday, Wednesday, Sunday on a weekly basis.
Which is the distance of flight WN3999?
The distance between the two airports is 386 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight WN3999 is scheduled to flight on Tuesday, Wednesday, Sunday on a weekly basis.
Which is the distance of flight WN3999?
The distance between the two airports is 386 miles.
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 Las Vegas and San Jose:
Frontier Airlines
- Flight Number: F91589. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: F94103. (On Time performance: 79 - Average Delay: 21 minutes)
Southwest Airlines
- Flight Number: WN1080. (On Time performance: 71 - Average Delay: 16 minutes)
- Flight Number: WN1181.
- Flight Number: WN1325.
- Flight Number: WN1508.
- Flight Number: WN1593.
- Flight Number: WN1689. (On Time performance: 75 - Average Delay: 15 minutes)
- Flight Number: WN1761. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: WN1875. (On Time performance: 78 - Average Delay: 13 minutes)
- Flight Number: WN1891. (On Time performance: 88 - Average Delay: 173 minutes)
- Flight Number: WN2248. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN2249. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN2251. (On Time performance: 75 - Average Delay: 19 minutes)
- Flight Number: WN2369. (On Time performance: 50 - Average Delay: 27 minutes)
- Flight Number: WN2496. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: WN2504. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: WN2684. (On Time performance: 88 - Average Delay: 10 minutes)
- Flight Number: WN2695. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: WN2929. (On Time performance: 79 - Average Delay: 177 minutes)
- Flight Number: WN300. (On Time performance: 82 - Average Delay: 8 minutes)
- Flight Number: WN3032. (On Time performance: 71 - Average Delay: 19 minutes)
- Flight Number: WN3218.
- Flight Number: WN3236.
- Flight Number: WN362. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: WN4164. (On Time performance: 73 - Average Delay: 16 minutes)
- Flight Number: WN423.
- Flight Number: WN461.
- Flight Number: WN4639. (On Time performance: 77 - Average Delay: 18 minutes)
- Flight Number: WN4748. (On Time performance: 88 - Average Delay: 17 minutes)
- Flight Number: WN775. (On Time performance: 84 - Average Delay: 6 minutes)
- Flight Number: WN864. (On Time performance: 79 - Average Delay: 111 minutes)
- Flight Number: WN985. (On Time performance: 80 - Average Delay: 10 minutes)
Frontier Airlines
- Flight Number: F91589. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: F94103. (On Time performance: 79 - Average Delay: 21 minutes)
Southwest Airlines
- Flight Number: WN1080. (On Time performance: 71 - Average Delay: 16 minutes)
- Flight Number: WN1181.
- Flight Number: WN1325.
- Flight Number: WN1508.
- Flight Number: WN1593.
- Flight Number: WN1689. (On Time performance: 75 - Average Delay: 15 minutes)
- Flight Number: WN1761. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: WN1875. (On Time performance: 78 - Average Delay: 13 minutes)
- Flight Number: WN1891. (On Time performance: 88 - Average Delay: 173 minutes)
- Flight Number: WN2248. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN2249. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN2251. (On Time performance: 75 - Average Delay: 19 minutes)
- Flight Number: WN2369. (On Time performance: 50 - Average Delay: 27 minutes)
- Flight Number: WN2496. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: WN2504. (On Time performance: 84 - Average Delay: 9 minutes)
- Flight Number: WN2684. (On Time performance: 88 - Average Delay: 10 minutes)
- Flight Number: WN2695. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: WN2929. (On Time performance: 79 - Average Delay: 177 minutes)
- Flight Number: WN300. (On Time performance: 82 - Average Delay: 8 minutes)
- Flight Number: WN3032. (On Time performance: 71 - Average Delay: 19 minutes)
- Flight Number: WN3218.
- Flight Number: WN3236.
- Flight Number: WN362. (On Time performance: 98 - Average Delay: 1 minutes)
- Flight Number: WN4164. (On Time performance: 73 - Average Delay: 16 minutes)
- Flight Number: WN423.
- Flight Number: WN461.
- Flight Number: WN4639. (On Time performance: 77 - Average Delay: 18 minutes)
- Flight Number: WN4748. (On Time performance: 88 - Average Delay: 17 minutes)
- Flight Number: WN775. (On Time performance: 84 - Average Delay: 6 minutes)
- Flight Number: WN864. (On Time performance: 79 - Average Delay: 111 minutes)
- Flight Number: WN985. (On Time performance: 80 - Average Delay: 10 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 November 02, 2025 to January 05, 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 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.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 02, 2025 to January 05, 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.
Last Past Flights WN3999
Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
11 March
11 March
07:13 pm
Las Vegas (LAS)
Las Vegas (LAS)
08:37 pm
San Jose (SJC)
San Jose (SJC)
01h 24min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Tuesday
10 March
10 March
06:50 pm
Las Vegas (LAS)
Las Vegas (LAS)
08:15 pm
San Jose (SJC)
San Jose (SJC)
01h 25min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
08 March
08 March
05:34 pm
Las Vegas (LAS)
Las Vegas (LAS)
06:52 pm
San Jose (SJC)
San Jose (SJC)
01h 18min
Boeing 737-700
Boeing 737-700
Landed - On-time
