WN4540 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN4540, which currently operates between the airports of Las Vegas - Las Vegas Harry Reid International Airport (Airport Code LAS) and Ontario - Ontario International Airport (Airport Code ONT).
This flight data pertains specifically to the flight's details for Monday, December 01, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN4540
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights WN4540
WN4540 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
WN4540 Southwest Airlines to Ontario
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)
December 01, 2025
Las Vegas Harry Reid International Airport
Arrival
Ontario (ONT)
December 01, 2025
Ontario 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 WN4540?
The flight WN4540 is scheduled to flight on Monday, Tuesday, Wednesday, Sunday on a weekly basis.
Which is the distance of flight WN4540?
The distance between the two airports is 197 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight WN4540 is scheduled to flight on Monday, Tuesday, Wednesday, Sunday on a weekly basis.
Which is the distance of flight WN4540?
The distance between the two airports is 197 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 Ontario:
Frontier Airlines
- Flight Number: F91283. (On Time performance: 95 - Average Delay: 1 minutes)
- Flight Number: F91357. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: F92231. (On Time performance: 78 - Average Delay: 11 minutes)
Southwest Airlines
- Flight Number: WN1193. (On Time performance: 67 - Average Delay: 18 minutes)
- Flight Number: WN1228. (On Time performance: 36 - Average Delay: 42 minutes)
- Flight Number: WN2011. (On Time performance: 69 - Average Delay: 25 minutes)
- Flight Number: WN2945. (On Time performance: 69 - Average Delay: 19 minutes)
- Flight Number: WN2996. (On Time performance: 76 - Average Delay: 12 minutes)
- Flight Number: WN3234. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: WN3239. (On Time performance: 54 - Average Delay: 16 minutes)
- Flight Number: WN3412. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: WN354. (On Time performance: 58 - Average Delay: 25 minutes)
- Flight Number: WN4445. (On Time performance: 60 - Average Delay: 14 minutes)
- Flight Number: WN948. (On Time performance: 86 - Average Delay: 10 minutes)
Volaris
Frontier Airlines
- Flight Number: F91283. (On Time performance: 95 - Average Delay: 1 minutes)
- Flight Number: F91357. (On Time performance: 86 - Average Delay: 8 minutes)
- Flight Number: F92231. (On Time performance: 78 - Average Delay: 11 minutes)
Southwest Airlines
- Flight Number: WN1193. (On Time performance: 67 - Average Delay: 18 minutes)
- Flight Number: WN1228. (On Time performance: 36 - Average Delay: 42 minutes)
- Flight Number: WN2011. (On Time performance: 69 - Average Delay: 25 minutes)
- Flight Number: WN2945. (On Time performance: 69 - Average Delay: 19 minutes)
- Flight Number: WN2996. (On Time performance: 76 - Average Delay: 12 minutes)
- Flight Number: WN3234. (On Time performance: 75 - Average Delay: 14 minutes)
- Flight Number: WN3239. (On Time performance: 54 - Average Delay: 16 minutes)
- Flight Number: WN3412. (On Time performance: 80 - Average Delay: 9 minutes)
- Flight Number: WN354. (On Time performance: 58 - Average Delay: 25 minutes)
- Flight Number: WN4445. (On Time performance: 60 - Average Delay: 14 minutes)
- Flight Number: WN948. (On Time performance: 86 - Average Delay: 10 minutes)
Volaris
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 December 03, 2024 to November 30, 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.
Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.
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 December 03, 2024 to November 30, 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 WN4540
Date
Departure
Arrival
Duration
Aircraft
Status
Monday
01 December
01 December
03:39 pm
Las Vegas (LAS)
Las Vegas (LAS)
04:43 pm
Ontario (ONT)
Ontario (ONT)
01h 04min
Boeing 737-700
Boeing 737-700
Landed - On-time
Sunday
30 November
30 November
03:43 pm
Las Vegas (LAS)
Las Vegas (LAS)
04:36 pm
Ontario (ONT)
Ontario (ONT)
00h 53min
Boeing 737-700
Boeing 737-700
Landed - On-time
Wednesday
26 November
26 November
04:08 pm
Las Vegas (LAS)
Las Vegas (LAS)
05:00 pm
Ontario (ONT)
Ontario (ONT)
00h 52min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Tuesday
25 November
25 November
03:48 pm
Las Vegas (LAS)
Las Vegas (LAS)
04:41 pm
Ontario (ONT)
Ontario (ONT)
00h 53min
Boeing 737-700
Boeing 737-700
Landed - On-time
