DEN → MCI Southwest Airlines

Southwest Airlines · Denver, CO to Kansas City, MO · 2,338 flights, 2025-07-01 to 2026-06-30 · aggregated across 95 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 3–6am vs. 43% departing 9pm–12am.
On-time arrival
72%
Median delay
0 min
90th percentile
+54 min
Cancellation rate
0%

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

Across every Southwest Airlines flight number on DEN → MCI (2,338 flights, 2025-07-01 to 2026-06-30), 72% arrived within 15 minutes of schedule. Median arrival delay 0 min; the worst 10% ran +54 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,68072%
16-30 min24410%
31-60 min1999%
61-120 min1356%
2+ hrs673%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0721858%+31 min
2025-0820269%+18 min
2025-0919869%+14 min
2025-1022080%+6 min
2025-1118385%+2 min
2025-1218776%+10 min
2026-0116387%-1 min
2026-0216079%+5 min
2026-0319166%+15 min
2026-0418976%+2 min
2026-0519268%+15 min
2026-0622260%+23 min

Performance by day of week

DayFlightsOn-time
Mon36776%
Tue33078%
Wed31874%
Thu36665%
Fri37068%
Sat22878%
Sun34671%

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