MCI → DEN Southwest Airlines

Southwest Airlines · Kansas City, MO to Denver, CO · 2,341 flights, 2025-07-01 to 2026-06-30 · aggregated across 119 flight numbers

This route runs much more reliably at some times of day than others — 91% on-time departing 6–9am vs. 53% departing 3–6pm.
On-time arrival
74%
Median delay
0 min
90th percentile
+50 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on MCI → DEN (2,341 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay 0 min; the worst 10% ran +50 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,71974%
16-30 min22510%
31-60 min1858%
61-120 min1125%
2+ hrs753%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0721360%+36 min
2025-0819965%+19 min
2025-0919874%+11 min
2025-1021972%+10 min
2025-1118682%+7 min
2025-1218970%+15 min
2026-0116188%-1 min
2026-0216085%+4 min
2026-0319077%+11 min
2026-0418878%+4 min
2026-0519277%+9 min
2026-0622169%+19 min

Performance by day of week

DayFlightsOn-time
Mon36771%
Tue32979%
Wed31776%
Thu36470%
Fri36974%
Sat22981%
Sun34171%

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