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

WN4319 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN4319, 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 Wednesday, May 21, 2025.

WN4319 On Time performance:
71
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

WN4319 Southwest Airlines to Denver

This flight is not scheduled for May 21, 2025.

Airline information

Southwest Airlines
Southwest Airlines

Departure

San Francisco (SFO)
May 19, 2025
San Francisco International Airport

Arrival

Denver (DEN)
May 19, 2025
Denver 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.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 WN4319?
The flight WN4319 is scheduled to flight on Monday, Thursday, Friday on a weekly basis.

Which is the distance of flight WN4319?
The distance between the two airports is 966 miles.

Which is the flight time of flight WN4319?
The scheduled flight time gate to gate is: 02:30 hours.
The real flight time gate to gate on average is: 02:26 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 San Francisco: 2025-05-21 13:44:35
Current Time in Denver: 2025-05-21 14:44:35

Alternative Flights

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

Frontier Airlines
- Flight Number: F91094. (On Time performance: 71 - Average Delay: 13 minutes)
- Flight Number: F91230. (On Time performance: 90 - Average Delay: 19 minutes)
- Flight Number: F93440. (On Time performance: 70 - Average Delay: 26 minutes)

United Airlines
- Flight Number: UA1132. (On Time performance: 56 - Average Delay: 21 minutes)
- Flight Number: UA1153. (On Time performance: 63 - Average Delay: 22 minutes)
- Flight Number: UA1211. (On Time performance: 81 - Average Delay: -2 minutes)
- Flight Number: UA1374. (On Time performance: 81 - Average Delay: 7 minutes)
- Flight Number: UA1615. (On Time performance: 91 - Average Delay: 9 minutes)
- Flight Number: UA1686. (On Time performance: 88 - Average Delay: 7 minutes)
- Flight Number: UA1727. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: UA1791. (On Time performance: 75 - Average Delay: 15 minutes)
- Flight Number: UA2420. (On Time performance: 96 - Average Delay: 3 minutes)
- Flight Number: UA297. (On Time performance: 84 - Average Delay: 10 minutes)
- Flight Number: UA501. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: UA546. (On Time performance: 75 - Average Delay: 9 minutes)
- Flight Number: UA566. (On Time performance: 80 - Average Delay: 14 minutes)
- Flight Number: UA720. (On Time performance: 84 - Average Delay: 7 minutes)
- Flight Number: UA776. (On Time performance: 77 - Average Delay: 9 minutes)

Southwest Airlines
- Flight Number: WN1639. (On Time performance: 82 - Average Delay: 9 minutes)
- Flight Number: WN208. (On Time performance: 87 - Average Delay: 7 minutes)
- Flight Number: WN3020. (On Time performance: 48 - Average Delay: 22 minutes)
- Flight Number: WN3436. (On Time performance: 41 - Average Delay: 40 minutes)
- Flight Number: WN3848. (On Time performance: 76 - Average Delay: 11 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from April 10, 2025 to May 16, 2025, we have obtained these figures.
Total number of flights: 17
On Time: 12 ( 71 % )
Moderate Delay: 1 ( 6 % )
Significant Delay: 1 ( 6 % )
Major Delay: 3 ( 18 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 19 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from April 10, 2025 to May 16, 2025. 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 April 10, 2025 to April 28, 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 WN4319

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
19 May
08:54 pm
San Francisco (SFO)
12:12 am
Denver (DEN)
02h 18min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
16 May
07:57 pm
San Francisco (SFO)
11:19 pm
Denver (DEN)
02h 22min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
15 May
08:03 pm
San Francisco (SFO)
11:31 pm
Denver (DEN)
02h 28min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
12 May
08:28 pm
San Francisco (SFO)
11:45 pm
Denver (DEN)
02h 17min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
09 May
07:57 pm
San Francisco (SFO)
11:18 pm
Denver (DEN)
02h 21min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
08 May
07:53 pm
San Francisco (SFO)
11:11 pm
Denver (DEN)
02h 18min
Boeing 737-800
Boeing 737-800
Landed - On-time
Monday
05 May
07:44 pm
San Francisco (SFO)
11:15 pm
Denver (DEN)
02h 31min
Boeing 737-800
Boeing 737-800
Landed - On-time
Friday
02 May
09:19 pm
San Francisco (SFO)
12:56 am
Denver (DEN)
02h 37min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Thursday
01 May
07:56 pm
San Francisco (SFO)
11:29 pm
Denver (DEN)
02h 33min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
28 April
08:03 pm
San Francisco (SFO)
11:24 pm
Denver (DEN)
02h 21min
Boeing 737-800
Boeing 737-800
Landed - On-time