WN3366 SAN → SJC

Southwest Airlines · San Diego, CA to San Jose, CA · 50 flights observed, 2026-04-07 to 2026-06-03 · 417 mi

WN3366 covers more than one route in the data window — the stats below are for SAN → SJC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
86%
Median delay
-6 min
90th percentile
+20 min
Cancellation rate
2%

How often is WN3366 on time?

Across 50 flights on SAN → SJC from 2026-04-07 to 2026-06-03, WN3366 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +20 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4286%
16-30 min612%
31-60 min00%
61-120 min12%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042181%-3 min
2026-052588%0 min
2026-063100%-7 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue8100%
Wed9100%
Thu875%
Fri875%
SatNo data—
Sun888%

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