DAL → CMH Southwest Airlines

Southwest Airlines · Dallas, TX to Columbus, OH · 514 flights, 2025-07-01 to 2026-06-30 · aggregated across 35 flight numbers

This route runs much more reliably at some times of day than others — 87% on-time departing 9am–12pm vs. 52% departing 6–9pm.
On-time arrival
72%
Median delay
+1 min
90th percentile
+52 min
Cancellation rate
1%

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

Across every Southwest Airlines flight number on DAL → CMH (514 flights, 2025-07-01 to 2026-06-30), 72% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +52 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time36772%
16-30 min6212%
31-60 min377%
61-120 min235%
2+ hrs194%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073557%+18 min
2025-083382%+4 min
2025-093083%+10 min
2025-105684%+1 min
2025-114982%+8 min
2025-124976%+10 min
2026-013667%+16 min
2026-022767%+9 min
2026-034661%+21 min
2026-044774%+14 min
2026-054674%+17 min
2026-065459%+33 min

Performance by day of week

DayFlightsOn-time
Mon7972%
Tue6478%
Wed6080%
Thu7863%
Fri8273%
Sat6077%
Sun8567%

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