LAX → SFO Southwest Airlines

Southwest Airlines · Los Angeles, CA to San Francisco, CA · 1,370 flights, 2025-07-01 to 2026-06-30 · aggregated across 78 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 3–6am vs. 30% departing 9pm–12am.
On-time arrival
58%
Median delay
+7 min
90th percentile
+82 min
Cancellation rate
0%

How on-time is Southwest Airlines from LAX to SFO?

Across every Southwest Airlines flight number on LAX → SFO (1,370 flights, 2025-07-01 to 2026-06-30), 58% arrived within 15 minutes of schedule. Median arrival delay +7 min; the worst 10% ran +82 min or later. 0% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time79258%
16-30 min16012%
31-60 min18213%
61-120 min17113%
2+ hrs604%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0710864%+19 min
2025-0812066%+14 min
2025-0911958%+16 min
2025-1011858%+20 min
2025-1111665%+19 min
2025-1212262%+23 min
2026-0110083%+7 min
2026-029566%+14 min
2026-0310680%+4 min
2026-0410344%+29 min
2026-0510638%+36 min
2026-0615226%+50 min

Performance by day of week

DayFlightsOn-time
Mon20754%
Tue17565%
Wed17061%
Thu20753%
Fri20851%
Sat19368%
Sun20557%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…