WN4249 SAN → SFO

Southwest Airlines · San Diego, CA to San Francisco, CA · 53 flights observed, 2025-11-02 to 2026-01-05 · 447 mi

This flight has a strong track record — on time 92% of the time, with a low cancellation rate.

WN4249 covers more than one route in the data window — the stats below are for SAN → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
92%
Median delay
-15 min
90th percentile
+9 min
Cancellation rate
2%

How often is WN4249 on time?

Across 53 flights on SAN → SFO from 2025-11-02 to 2026-01-05, WN4249 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +9 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4892%
16-30 min36%
31-60 min12%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112492%-9 min
2025-122596%-14 min
2026-01367%+0 min

Performance by day of week

DayFlightsOn-time
Mon1080%
Tue9100%
Wed9100%
Thu683%
Fri8100%
SatNo data—
Sun1090%

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