Southwest Airlines ATL to HOU on-time performance
Southwest Airlines nonstop flights from Atlanta to Houston · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.7%
11 flights
Avg arrival delay
12 min
57 min when late
Rank on route
#2 of 2
route average 81% on time
Key facts
- Southwest Airlines flights on ATL to HOU arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion13%
- Extreme weather3%
- Security1%
Other airlines on ATL to HOU
- Delta Air Lines81% on time · 12 min avg delay
Full ATL to HOU comparison →
Southwest Airlines on-time record across all routes →
1,482 Southwest Airlines flights tracked on this route; 11 cancelled, 4 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.