WN403 MCI → LAX

Southwest Airlines · Kansas City, MO to Los Angeles, CA · 24 flights observed, 2025-11-03 to 2026-01-01 · 1,363 mi

This flight has been getting less reliable recently — 2025-12's on-time rate (57%) is well below the 89% average from earlier months.

WN403 covers more than one route in the data window — the stats below are for MCI → LAX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
+8 min
90th percentile
+25 min
Cancellation rate
0%

How often is WN403 on time?

Across 24 flights on MCI → LAX from 2025-11-03 to 2026-01-01, WN403 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +8 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-time1771%
16-30 min521%
31-60 min14%
61-120 min14%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11989%+4 min
2025-121457%+10 min
2026-011100%+7 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue683%
Wed863%
Thu560%
Fri1100%
SatNo data—
SunNo data—

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