Southwest Airlines HOU to DAL on-time performance
Southwest Airlines nonstop flights from Houston to Dallas · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
2.2%
89 flights
Avg arrival delay
12 min
57 min when late
Rank on route
#1 of 1
route average 81% on time
Key facts
- Southwest Airlines flights on HOU to DAL arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 2.2% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 1 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (37%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft37%
- Air traffic control & airport congestion33%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather5%
- Security1%
Other airlines on HOU to DAL
4,047 Southwest Airlines flights tracked on this route; 89 cancelled, 11 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.