Southwest Airlines ATL to PHX on-time performance
Southwest Airlines nonstop flights from Atlanta to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
16 min
54 min when late
Rank on route
#3 of 4
route average 76% on time
Key facts
- Southwest Airlines flights on ATL to PHX arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 8% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (53%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft53%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion17%
- Extreme weather3%
- Security1%
Other airlines on ATL to PHX
- Delta Air Lines77% on time · 15 min avg delay
- American Airlines78% on time · 21 min avg delay
- Frontier Airlines65% on time · 23 min avg delay
Full ATL to PHX comparison →
Southwest Airlines on-time record across all routes →
602 Southwest Airlines flights tracked on this route; 2 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.