Southwest Airlines

WN4090San Francisco to San Diego

Name: Southwest Airlines WN4090 San Francisco to San Diego: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN4090 flies from San Francisco (SFO) to San Diego (SAN), 719 km. Over August 2025 to July 2026 it usually arrives about 2 minutes early: 93% of 165 flights arrived within 15 minutes of schedule and 0.6% were cancelled (US Department of Transportation data).

On-time record, last 12 months

93%

on time (within 15 min)

more than 30 min late

0.6%

cancelled

-2 min

average arrival vs schedule

Every operation of WN4090, August 2025 to July 2026: 165 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN4090

San Francisco (SFO) to San Diego (SAN)58 flights
Wichita Eisenhower National (ICT) to Denver (DEN)58 flights
Santa Ana (SNA) to Phoenix Sky Harbor (PHX)32 flights
Seattle Tacoma (SEA) to Denver (DEN)5 flights
Oakland (OAK) to Seattle Tacoma (SEA)5 flights
Kahului (OGG) to Honolulu (HNL)4 flights
Kansas City (MCI) to Houston (HOU)1 flights
Houston (HOU) to Orlando (MCO)1 flights
Oakland (OAK) to San Diego (SAN)1 flights

Other flights from San Francisco to San Diego

UA1074 UA1106 UA1142 UA1147 UA1257 UA1336 UA1343 UA1434 UA1442 UA1483 UA1561 UA1577

More about San Francisco (SFO) and San Diego (SAN).

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