Southwest Airlines DAL to HOU on-time performance
Southwest Airlines nonstop flights from Dallas to Houston · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
1.9%
79 flights
Avg arrival delay
15 min
55 min when late
Rank on route
#1 of 1
route average 75% on time
Key facts
- Southwest Airlines flights on DAL to HOU arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 1.9% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 1 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (46%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion24%
- Extreme weather4%
- Security0%
Other airlines on DAL to HOU
4,053 Southwest Airlines flights tracked on this route; 79 cancelled, 3 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.