Southwest Airlines HOU to ATL on-time performance
Southwest Airlines nonstop flights from Houston to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.6%
9 flights
Avg arrival delay
14 min
51 min when late
Rank on route
#2 of 2
route average 80% on time
Key facts
- Southwest Airlines flights on HOU to ATL arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was late-arriving aircraft (49%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion15%
- Extreme weather2%
- Security0%
Other airlines on HOU to ATL
- Delta Air Lines85% on time · 15 min avg delay
Full HOU to ATL comparison →
Southwest Airlines on-time record across all routes →
1,485 Southwest Airlines flights tracked on this route; 9 cancelled, 2 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.