Southwest Airlines
WN4012San Francisco to San Diego
Southwest Airlines flight WN4012 flies from San Francisco (SFO) to San Diego (SAN), 719 km. Over August 2025 to July 2026 it usually arrives about 10 minutes late: 72% of 323 flights arrived within 15 minutes of schedule and 1.2% were cancelled (US Department of Transportation data).
On-time record, last 12 months
72%
on time (within 15 min)
17%
more than 30 min late
1.2%
cancelled
+10 min
average arrival vs schedule
Every operation of WN4012, August 2025 to July 2026: 323 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4012
- San Francisco (SFO) to San Diego (SAN)58 flights
- Denver (DEN) to Pittsburgh (PIT)58 flights
- Ontario (ONT) to Oakland (OAK)31 flights
- San Diego (SAN) to San Francisco (SFO)28 flights
- Lubbock Preston Smith (LBB) to Houston (HOU)24 flights
- San Diego (SAN) to Phoenix Sky Harbor (PHX)24 flights
- Las Vegas (LAS) to Lubbock Preston Smith (LBB)24 flights
- Denver (DEN) to Tucson (TUS)18 flights
- Nashville (BNA) to Dallas Love Field (DAL)17 flights
- Austin Bergstrom (AUS) to Chicago Midway (MDW)15 flights
Other flights from San Francisco to San Diego
More about San Francisco (SFO) and San Diego (SAN).
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