WN4457 MCI → SAN

Southwest Airlines · Kansas City, MO to San Diego, CA · 23 flights observed, 2026-06-04 to 2026-06-30 · 1,334 mi

This flight has been on time less than half the time (43%) — expect a real chance of a delay.

WN4457 covers more than one route in the data window — the stats below are for MCI → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
43%
Median delay
+18 min
90th percentile
+52 min
Cancellation rate
0%

How often is WN4457 on time?

Across 23 flights on MCI → SAN from 2026-06-04 to 2026-06-30, WN4457 arrived within 15 minutes of schedule 43% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +52 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1043%
16-30 min522%
31-60 min626%
61-120 min29%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062343%+22 min

Performance by day of week

DayFlightsOn-time
Mon450%
Tue475%
Wed3100%
Thu40%
Fri425%
Sat425%
SunNo data—

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