DAL → HOU Southwest Airlines

Southwest Airlines · Dallas, TX to Houston, TX · 4,063 flights, 2025-07-01 to 2026-06-30 · aggregated across 42 flight numbers

This route runs much more reliably at some times of day than others — 90% on-time departing 6–9am vs. 53% departing 9pm–12am.
On-time arrival
75%
Median delay
-5 min
90th percentile
+47 min
Cancellation rate
2%

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

Across every Southwest Airlines flight number on DAL → HOU (4,063 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +47 min or later. 2% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2,98475%
16-30 min3639%
31-60 min3378%
61-120 min2035%
2+ hrs1003%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0734368%+20 min
2025-0834074%+10 min
2025-0933183%+2 min
2025-1035182%+4 min
2025-1130574%+9 min
2025-1231184%0 min
2026-0132487%-5 min
2026-0231984%-2 min
2026-0335962%+17 min
2026-0434570%+9 min
2026-0533966%+12 min
2026-0632065%+18 min

Performance by day of week

DayFlightsOn-time
Mon59178%
Tue61481%
Wed60575%
Thu60375%
Fri58671%
Sat44473%
Sun54468%

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