WN3958 STL → LGA

Southwest Airlines · St. Louis, MO to New York, NY · 60 flights observed, 2025-11-02 to 2026-01-05 · 888 mi

This flight has been on time less than half the time (44%) — expect a real chance of a delay.

WN3958 covers more than one route in the data window — the stats below are for STL → LGA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
44%
Median delay
+18 min
90th percentile
+125 min
Cancellation rate
2%

How often is WN3958 on time?

Across 60 flights on STL → LGA from 2025-11-02 to 2026-01-05, WN3958 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +125 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2644%
16-30 min1424%
31-60 min610%
61-120 min610%
2+ hrs712%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112642%+41 min
2025-122843%+42 min
2026-01560%+11 min

Performance by day of week

DayFlightsOn-time
Mon1040%
Tue933%
Wed967%
Thu838%
Fri863%
Sat560%
Sun1020%

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