DEN → CMH Southwest Airlines

Southwest Airlines · Denver, CO to Columbus, OH · 921 flights, 2025-07-01 to 2026-06-30 · aggregated across 37 flight numbers

This route runs much more reliably at some times of day than others — 86% on-time departing 6–9am vs. 50% departing 6–9pm.
On-time arrival
66%
Median delay
+5 min
90th percentile
+63 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on DEN → CMH (921 flights, 2025-07-01 to 2026-06-30), 66% arrived within 15 minutes of schedule. Median arrival delay +5 min; the worst 10% ran +63 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time60166%
16-30 min12914%
31-60 min869%
61-120 min708%
2+ hrs253%

Performance by month

MonthFlightsOn-timeAvg delay
2025-079053%+28 min
2025-087561%+26 min
2025-097465%+20 min
2025-108780%+10 min
2025-117384%+3 min
2025-127572%+11 min
2026-016287%-1 min
2026-026180%+8 min
2026-037466%+20 min
2026-047658%+12 min
2026-058048%+23 min
2026-068448%+31 min

Performance by day of week

DayFlightsOn-time
Mon14468%
Tue12371%
Wed11864%
Thu14266%
Fri14762%
Sat10369%
Sun13463%

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