WN4540 Southwest Airlines - Flight Status
Below, you can find details about Southwest Airlines flight WN4540, which currently operates between the airports of Denver - Denver International Airport (Airport Code DEN) and Oakland - San Francisco Bay Oakland International Airport (Airport Code OAK).
This flight data pertains specifically to the flight's details for Tuesday, April 28, 2026.
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:
33
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
WN4540 Southwest Airlines from Denver
Scheduled
Flight Status for Tuesday April 28, 2026
Scheduled
Flight Status for Tuesday April 28, 2026
Departure
Denver (DEN)
April 28, 2026
Denver International Airport
Scheduled Departure Time:
05:10 pm
Terminal:
-
Gate:
C56
Scheduled Departure Time: 05:10 pm
Arrival
Oakland (OAK)
April 28, 2026
San Francisco Bay Oakland International Airport
Scheduled Arrival Time:
06:50 pm
Terminal:
2
Gate:
24
Scheduled Arrival Time: 06:50 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.oakland-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 Tuesday, Wednesday, Sunday on a weekly basis.
Which is the distance of flight WN4540?
The distance between the two airports is 955 miles.
Which is the flight time of flight WN4540?
The scheduled flight time gate to gate is: 02:40 hours.
The real flight time gate to gate on average is: 02:34 hours.
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 Denver: 2026-04-28 08:51:58
Current Time in Oakland: 2026-04-28 07:51:58
The flight WN4540 is scheduled to flight on Tuesday, Wednesday, Sunday on a weekly basis.
Which is the distance of flight WN4540?
The distance between the two airports is 955 miles.
Which is the flight time of flight WN4540?
The scheduled flight time gate to gate is: 02:40 hours.
The real flight time gate to gate on average is: 02:34 hours.
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 Denver: 2026-04-28 08:51:58
Current Time in Oakland: 2026-04-28 07:51:58
Alternative Flights
The following airline serve the same route between Denver and Oakland:
Southwest Airlines - Flight Number: WN1149. (On Time performance: 83 - Average Delay: 9 minutes)
Southwest Airlines - Flight Number: WN1149. (On Time performance: 83 - Average Delay: 9 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 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: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from April 07, 2026 to April 26, 2026, we have obtained these figures.
Total number of flights: 9
On Time: 3 ( 33 % )
Moderate Delay: 3 ( 33 % )
Significant Delay: 3 ( 33 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 21 minutes.
Total number of flights: 9
On Time: 3 ( 33 % )
Moderate Delay: 3 ( 33 % )
Significant Delay: 3 ( 33 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 21 minutes.
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights WN4540
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
26 April
26 April
03:26 pm
Denver (DEN)
Denver (DEN)
04:56 pm
Oakland (OAK)
Oakland (OAK)
02h 30min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Wednesday
22 April
22 April
05:21 pm
Denver (DEN)
Denver (DEN)
06:59 pm
Oakland (OAK)
Oakland (OAK)
02h 38min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
21 April
21 April
05:35 pm
Denver (DEN)
Denver (DEN)
07:09 pm
Oakland (OAK)
Oakland (OAK)
02h 34min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
19 April
19 April
03:11 pm
Denver (DEN)
Denver (DEN)
04:43 pm
Oakland (OAK)
Oakland (OAK)
02h 32min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Wednesday
15 April
15 April
05:46 pm
Denver (DEN)
Denver (DEN)
07:20 pm
Oakland (OAK)
Oakland (OAK)
02h 34min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Tuesday
14 April
14 April
05:34 pm
Denver (DEN)
Denver (DEN)
07:06 pm
Oakland (OAK)
Oakland (OAK)
02h 32min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Sunday
12 April
12 April
03:41 pm
Denver (DEN)
Denver (DEN)
05:20 pm
Oakland (OAK)
Oakland (OAK)
02h 39min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Wednesday
08 April
08 April
05:21 pm
Denver (DEN)
Denver (DEN)
06:52 pm
Oakland (OAK)
Oakland (OAK)
02h 31min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
07 April
07 April
05:25 pm
Denver (DEN)
Denver (DEN)
06:58 pm
Oakland (OAK)
Oakland (OAK)
02h 33min
Boeing 737-800
Boeing 737-800
Landed - On-time
