LAS → MCI Southwest Airlines

Southwest Airlines · Las Vegas, NV to Kansas City, MO · 1,705 flights, 2025-07-01 to 2026-06-30 · aggregated across 110 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 3–6am vs. 40% departing 9pm–12am.
On-time arrival
76%
Median delay
-2 min
90th percentile
+40 min
Cancellation rate
0%

How on-time is Southwest Airlines from LAS to MCI?

Across every Southwest Airlines flight number on LAS → MCI (1,705 flights, 2025-07-01 to 2026-06-30), 76% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +40 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,27876%
16-30 min18411%
31-60 min1348%
61-120 min704%
2+ hrs241%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0713067%+16 min
2025-0813585%+2 min
2025-0913276%+5 min
2025-1014676%+10 min
2025-1113981%+4 min
2025-1214578%+5 min
2026-0113583%0 min
2026-0212885%+2 min
2026-0314969%+11 min
2026-0414876%+1 min
2026-0515372%+11 min
2026-0615063%+13 min

Performance by day of week

DayFlightsOn-time
Mon25972%
Tue24286%
Wed23687%
Thu25973%
Fri26067%
Sat18280%
Sun25268%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…