WN3455 LGA → STL

Southwest Airlines · New York, NY to St. Louis, MO · 18 flights observed, 2025-11-02 to 2026-01-05 · 888 mi

This flight's reliability varies a lot by day of week — 100% on-time on Fridays vs. 57% on Sundays.

WN3455 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
78%
Median delay
-6 min
90th percentile
+31 min
Cancellation rate
0%

How often is WN3455 on time?

Across 18 flights on LGA → STL from 2025-11-02 to 2026-01-05, WN3455 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +31 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1478%
16-30 min211%
31-60 min16%
61-120 min00%
2+ hrs16%

Performance by month

MonthFlightsOn-timeAvg delay
2025-111385%-5 min
2025-12450%+41 min
2026-011100%-13 min

Performance by day of week

DayFlightsOn-time
Mon3100%
TueNo data—
WedNo data—
Thu367%
Fri5100%
SatNo data—
Sun757%

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