Southwest Airlines DAL to PHX on-time performance
Southwest Airlines nonstop flights from Dallas to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
74%
arrived < 15 min late
Cancelled
2.0%
58 flights
Avg arrival delay
15 min
55 min when late
Rank on route
#1 of 1
route average 74% on time
Key facts
- Southwest Airlines flights on DAL to PHX arrived on time 74% of the time in Aug 2025 – Jul 2026.
- 2% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 1 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (55%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion15%
- Extreme weather3%
- Security0%
Other airlines on DAL to PHX
2,873 Southwest Airlines flights tracked on this route; 58 cancelled, 5 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.