WN1291 SJC → SAN

Southwest Airlines · San Jose, CA to San Diego, CA · 55 flights observed, 2026-01-06 to 2026-03-04 · 417 mi

This flight's reliability varies a lot by day of week — 100% on-time on Saturdays vs. 50% on Fridays.

WN1291 covers more than one route in the data window — the stats below are for SJC → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
-5 min
90th percentile
+39 min
Cancellation rate
2%

How often is WN1291 on time?

Across 55 flights on SJC → SAN from 2026-01-06 to 2026-03-04, WN1291 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +39 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4278%
16-30 min24%
31-60 min815%
61-120 min12%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012592%-5 min
2026-022564%+15 min
2026-03475%+9 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue978%
Wed989%
Thu771%
Fri850%
Sat5100%
Sun875%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…