WN4442 STL → SAN

Southwest Airlines · St. Louis, MO to San Diego, CA · 36 flights observed, 2025-11-02 to 2026-01-05 · 1,557 mi

This flight's reliability varies a lot by day of week — 100% on-time on Sundays vs. 60% on Saturdays.

WN4442 covers more than one route in the data window — the stats below are for STL → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-4 min
90th percentile
+25 min
Cancellation rate
0%

How often is WN4442 on time?

Across 36 flights on STL → SAN from 2025-11-02 to 2026-01-05, WN4442 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +25 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2981%
16-30 min411%
31-60 min13%
61-120 min13%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-111788%+9 min
2025-121573%+7 min
2026-01475%-2 min

Performance by day of week

DayFlightsOn-time
Mon667%
Tue3100%
Wed1100%
Thu3100%
Fri863%
Sat560%
Sun10100%

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