WN3550 LGA → STL

Southwest Airlines · New York, NY to St. Louis, MO · 23 flights observed, 2025-10-02 to 2025-11-01 · 888 mi

This flight has been on time less than half the time (45%) — expect a real chance of a delay.

WN3550 covers more than one route in the data window — the stats below are for LGA → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
45%
Median delay
+17 min
90th percentile
+46 min
Cancellation rate
4%

How often is WN3550 on time?

Across 23 flights on LGA → STL from 2025-10-02 to 2025-11-01, WN3550 arrived within 15 minutes of schedule 45% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +46 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1045%
16-30 min523%
31-60 min523%
61-120 min00%
2+ hrs29%

Performance by month

MonthFlightsOn-timeAvg delay
2025-102143%+25 min
2025-111100%-15 min

Performance by day of week

DayFlightsOn-time
Mon425%
TueNo data—
WedNo data—
Thu450%
Fri50%
Sat5100%
Sun450%

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