Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

WN3423 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN3423, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Denver - Denver International Airport (Airport Code DEN).
This flight data pertains specifically to the flight's details for Sunday, August 17, 2025.

WN3423 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

WN3423 Southwest Airlines to Denver

Landed - On-time
Delay: 4 minutes
Flight Status for Sunday August 17, 2025
This flight is also scheduled for Tomorrow (August 18, 2025). See it here

Airline information

Southwest Airlines
Southwest Airlines
Equipment: Boeing 737-700 (winglets) Passenger/BBJ1

Departure

San Francisco (SFO)
August 17, 2025
San Francisco International Airport
Departed at:
08:48 am
Terminal:
2
Gate:
D7
Scheduled Departure Time: 08:50 am

Arrival

Denver (DEN)
August 17, 2025
Denver International Airport
Arrived at:
12:24 pm
Terminal:
-
Gate:
C63
Scheduled Arrival Time: 12:20 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.airport-sfo.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 WN3423?
The flight WN3423 is scheduled to flight on Monday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight WN3423?
The distance between the two airports is 966 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 San Francisco: 2025-08-17 17:41:34
Current Time in Denver: 2025-08-17 18:41:34

Alternative Flights

The following airlines serves the same route between San Francisco and Denver:

Frontier Airlines
- Flight Number: F91230. (On Time performance: 80 - Average Delay: 20 minutes)

United Airlines
- Flight Number: UA1217. (On Time performance: 94 - Average Delay: 1 minutes)
- Flight Number: UA1230. (On Time performance: 77 - Average Delay: 14 minutes)
- Flight Number: UA1256. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA1317. (On Time performance: 58 - Average Delay: 27 minutes)
- Flight Number: UA1333. (On Time performance: 54 - Average Delay: 37 minutes)
- Flight Number: UA1374. (On Time performance: 59 - Average Delay: 20 minutes)
- Flight Number: UA1527. (On Time performance: 57 - Average Delay: 24 minutes)
- Flight Number: UA1702. (On Time performance: 73 - Average Delay: 14 minutes)
- Flight Number: UA2348. (On Time performance: 90 - Average Delay: 19 minutes)
- Flight Number: UA2420. (On Time performance: 95 - Average Delay: 4 minutes)
- Flight Number: UA297. (On Time performance: 59 - Average Delay: 26 minutes)
- Flight Number: UA526. (On Time performance: 91 - Average Delay: 10 minutes)
- Flight Number: UA566. (On Time performance: 64 - Average Delay: 26 minutes)

Southwest Airlines
- Flight Number: WN1322. (On Time performance: 71 - Average Delay: 13 minutes)
- Flight Number: WN2013. (On Time performance: 57 - Average Delay: 10 minutes)
- Flight Number: WN2401. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: WN2444. (On Time performance: 11 - Average Delay: 36 minutes)
- Flight Number: WN2838. (On Time performance: 25 - Average Delay: 32 minutes)
- Flight Number: WN3308. (On Time performance: 21 - Average Delay: 58 minutes)
- Flight Number: WN4407. (On Time performance: 51 - Average Delay: 35 minutes)
- Flight Number: WN4478. (On Time performance: 44 - Average Delay: 40 minutes)
- Flight Number: WN4479. (On Time performance: 52 - Average Delay: 22 minutes)
- Flight Number: WN519. (On Time performance: 85 - Average Delay: 7 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: 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 WN3423

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
15 August
08:34 am
San Francisco (SFO)
12:07 pm
Denver (DEN)
02h 33min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
14 August
08:34 am
San Francisco (SFO)
12:04 pm
Denver (DEN)
02h 30min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
11 August
08:37 am
San Francisco (SFO)
12:26 pm
Denver (DEN)
02h 49min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Sunday
10 August
09:18 am
San Francisco (SFO)
12:46 pm
Denver (DEN)
02h 28min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Friday
08 August
08:36 am
San Francisco (SFO)
11:58 am
Denver (DEN)
02h 22min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
07 August
08:30 am
San Francisco (SFO)
11:40 am
Denver (DEN)
02h 10min
Boeing 737-800
Boeing 737-800
Landed - On-time