LAX → SJC Southwest Airlines

Southwest Airlines · Los Angeles, CA to San Jose, CA · 1,822 flights, 2025-07-01 to 2026-06-30 · aggregated across 114 flight numbers

This route runs much more reliably at some times of day than others — 96% on-time departing 6–9am vs. 46% departing 9pm–12am.
On-time arrival
82%
Median delay
-8 min
90th percentile
+34 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on LAX → SJC (1,822 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +34 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,48982%
16-30 min1136%
31-60 min1277%
61-120 min654%
2+ hrs151%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0715780%+0 min
2025-0815889%-5 min
2025-0915490%-3 min
2025-1017880%+3 min
2025-1113784%+0 min
2025-1213978%+7 min
2026-0111690%-7 min
2026-0213189%-5 min
2026-0315789%-4 min
2026-0415581%0 min
2026-0515674%+5 min
2026-0617167%+13 min

Performance by day of week

DayFlightsOn-time
Mon29080%
Tue21587%
Wed20887%
Thu29386%
Fri29079%
Sat22587%
Sun28874%

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