WN3439 LGA → MCI

Southwest Airlines · New York, NY to Kansas City, MO · 63 flights observed, 2025-11-02 to 2026-01-05 · 1,107 mi

This flight's reliability varies a lot by day of week — 89% on-time on Wednesdays vs. 30% on Mondays.

WN3439 covers more than one route in the data window — the stats below are for LGA → MCI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
56%
Median delay
+9 min
90th percentile
+107 min
Cancellation rate
2%

How often is WN3439 on time?

Across 63 flights on LGA → MCI from 2025-11-02 to 2026-01-05, WN3439 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +107 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3556%
16-30 min711%
31-60 min610%
61-120 min813%
2+ hrs610%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112767%+21 min
2025-123040%+43 min
2026-015100%-9 min

Performance by day of week

DayFlightsOn-time
Mon1030%
Tue967%
Wed989%
Thu863%
Fri956%
Sat944%
Sun850%

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