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

WN4173 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN4173, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and San Diego - San Diego International Airport (Airport Code SAN).
This flight data pertains specifically to the flight's details for Sunday, May 18, 2025.

WN4173 On Time performance:
50
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

WN4173 Southwest Airlines to San Diego

Scheduled - On-time
Flight Status for Sunday May 18, 2025
This flight was also scheduled for Yesterday (May 17, 2025). See it here
This flight is also scheduled for Tomorrow (May 19, 2025). See it here

Airline information

Southwest Airlines
Southwest Airlines
Equipment: Boeing 737-700 Passenger (Scimitar Winglets)

Departure

San Francisco (SFO)
May 18, 2025
San Francisco International Airport
Estimated Departure Time:
06:40 pm
Terminal:
2
Gate:
D7
Scheduled Departure Time: 06:40 pm

Arrival

San Diego (SAN)
May 18, 2025
San Diego International Airport
Estimated Arrival Time:
08:00 pm
Terminal:
1
Gate:
13
Scheduled Arrival Time: 08:15 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 WN4173?
The flight WN4173 is scheduled to flight on daily basis.

Which is the distance of flight WN4173?
The distance between the two airports is 447 miles.

Which is the flight time of flight WN4173?
The scheduled flight time gate to gate is: 01:35 hours.
The real flight time gate to gate on average is: 01:38 hours.

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 San Francisco and San Diego:

Alaska Airlines
- Flight Number: AS2031. (On Time performance: 77 - Average Delay: 20 minutes)
- Flight Number: AS3133. (On Time performance: 68 - Average Delay: 11 minutes)
- Flight Number: AS3165. (On Time performance: 45 - Average Delay: 33 minutes)
- Flight Number: AS3174. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: AS3284. (On Time performance: 79 - Average Delay: 15 minutes)
- Flight Number: AS3376.
- Flight Number: AS3452.
- Flight Number: AS3455. (On Time performance: 55 - Average Delay: 22 minutes)
- Flight Number: AS3459. (On Time performance: 73 - Average Delay: 16 minutes)
- Flight Number: AS3479. (On Time performance: 73 - Average Delay: 19 minutes)
- Flight Number: AS3482. (On Time performance: 70 - Average Delay: 24 minutes)
- Flight Number: AS912. (On Time performance: 85 - Average Delay: 8 minutes)

Frontier Airlines
- Flight Number: F93384. (On Time performance: 54 - Average Delay: 17 minutes)
- Flight Number: F94306. (On Time performance: 77 - Average Delay: 14 minutes)

United Airlines
- Flight Number: UA1074. (On Time performance: 83 - Average Delay: 9 minutes)
- Flight Number: UA1095. (On Time performance: 83 - Average Delay: 10 minutes)
- Flight Number: UA1179. (On Time performance: 77 - Average Delay: 16 minutes)
- Flight Number: UA1374. (On Time performance: 82 - Average Delay: 6 minutes)
- Flight Number: UA1434. (On Time performance: 91 - Average Delay: 6 minutes)
- Flight Number: UA1483. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA1712. (On Time performance: 88 - Average Delay: 2 minutes)
- Flight Number: UA2041. (On Time performance: 86 - Average Delay: 22 minutes)
- Flight Number: UA2140. (On Time performance: 89 - Average Delay: 5 minutes)
- Flight Number: UA2391. (On Time performance: 92 - Average Delay: 2 minutes)
- Flight Number: UA2633. (On Time performance: 85 - Average Delay: 5 minutes)
- Flight Number: UA2861. (On Time performance: 80 - Average Delay: 15 minutes)
- Flight Number: UA475. (On Time performance: 100 - Average Delay: 1 minutes)

Southwest Airlines
- Flight Number: WN1264. (On Time performance: 80 - Average Delay: 22 minutes)
- Flight Number: WN1364. (On Time performance: 81 - Average Delay: 13 minutes)
- Flight Number: WN1537. (On Time performance: 91 - Average Delay: 4 minutes)
- Flight Number: WN1845. (On Time performance: 80 - Average Delay: 26 minutes)
- Flight Number: WN2784. (On Time performance: 36 - Average Delay: 27 minutes)
- Flight Number: WN3369.
- Flight Number: WN495. (On Time performance: 75 - Average Delay: 11 minutes)
- Flight Number: WN793. (On Time performance: 47 - Average Delay: 37 minutes)
- Flight Number: WN819. (On Time performance: 60 - Average Delay: 13 minutes)
- Flight Number: WN945. (On Time performance: 80 - 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.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from April 08, 2025 to May 13, 2025, we have obtained these figures.
Total number of flights: 36
On Time: 18 ( 50 % )
Moderate Delay: 7 ( 19 % )
Significant Delay: 8 ( 22 % )
Major Delay: 3 ( 8 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 22 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from April 08, 2025 to May 13, 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 08, 2025 to April 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 WN4173

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
17 May
06:04 pm
San Francisco (SFO)
07:25 pm
San Diego (SAN)
01h 21min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
16 May
07:55 pm
San Francisco (SFO)
09:32 pm
San Diego (SAN)
01h 37min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Thursday
15 May
07:01 pm
San Francisco (SFO)
08:36 pm
San Diego (SAN)
01h 35min
Boeing 737-800
Boeing 737-800
Landed - On-time
Wednesday
14 May
07:49 pm
San Francisco (SFO)
09:18 pm
San Diego (SAN)
01h 29min
Boeing 737-700
Boeing 737-700
Landed - On-time
Tuesday
13 May
07:41 pm
San Francisco (SFO)
09:14 pm
San Diego (SAN)
01h 33min
Boeing 737-700
Boeing 737-700
Landed - On-time
Monday
12 May
08:43 pm
San Francisco (SFO)
10:17 pm
San Diego (SAN)
01h 34min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Sunday
11 May
07:24 pm
San Francisco (SFO)
08:57 pm
San Diego (SAN)
01h 33min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Saturday
10 May
05:41 pm
San Francisco (SFO)
07:13 pm
San Diego (SAN)
01h 32min
Boeing 737-800
Boeing 737-800
Landed - On-time
Friday
09 May
07:02 pm
San Francisco (SFO)
08:49 pm
San Diego (SAN)
01h 47min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Thursday
08 May
07:10 pm
San Francisco (SFO)
08:44 pm
San Diego (SAN)
01h 34min
Boeing 737-800
Boeing 737-800
Landed - On-time