WN3159 SMF → SAN

Southwest Airlines · Sacramento, CA to San Diego, CA · 50 flights observed, 2025-08-05 to 2025-10-01 · 480 mi

This flight's reliability varies a lot by day of week — 89% on-time on Tuesdays vs. 38% on Fridays.

WN3159 covers more than one route in the data window — the stats below are for SMF → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
64%
Median delay
+7 min
90th percentile
+40 min
Cancellation rate
0%

How often is WN3159 on time?

Across 50 flights on SMF → SAN from 2025-08-05 to 2025-10-01, WN3159 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +40 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3264%
16-30 min714%
31-60 min1020%
61-120 min12%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082374%+11 min
2025-092654%+16 min
2025-101100%-9 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue989%
Wed967%
Thu850%
Fri838%
SatNo data—
Sun875%

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