Southwest Airlines
WN4104San Francisco to San Diego
Southwest Airlines flight WN4104 flies from San Francisco (SFO) to San Diego (SAN), 719 km. Over August 2025 to July 2026 it usually arrives about 16 minutes late: 61% of 179 flights arrived within 15 minutes of schedule and 0% were cancelled (US Department of Transportation data).
On-time record, last 12 months
61%
on time (within 15 min)
23%
more than 30 min late
0%
cancelled
+16 min
average arrival vs schedule
Every operation of WN4104, August 2025 to July 2026: 179 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4104
- San Francisco (SFO) to San Diego (SAN)58 flights
- Phoenix Sky Harbor (PHX) to Milwaukee (MKE)41 flights
- Kahului (OGG) to Honolulu (HNL)28 flights
- Phoenix Sky Harbor (PHX) to Santa Ana (SNA)26 flights
- Ontario (ONT) to Sacramento (SMF)13 flights
- Tampa (TPA) to Omaha (OMA)5 flights
- Las Vegas (LAS) to Raleigh-durham (RDU)3 flights
- Houston (HOU) to Kansas City (MCI)1 flights
- Oakland (OAK) to Denver (DEN)1 flights
- Houston (HOU) to Nashville (BNA)1 flights
Other flights from San Francisco to San Diego
More about San Francisco (SFO) and San Diego (SAN).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
Dark badge, HTML
<a href="https://tripstow.com/flights/wn4104" title="WN4104 is on time 61% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4104.svg" alt="WN4104 is on time 61% of the time" width="360" height="88" loading="lazy"></a>
Light badge, HTML
<a href="https://tripstow.com/flights/wn4104" title="WN4104 is on time 61% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4104.svg?theme=light" alt="WN4104 is on time 61% of the time" width="360" height="88" loading="lazy"></a>Markdown, for forums and README files
[](https://tripstow.com/flights/wn4104)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free