Southwest Airlines LAS to PHX on-time performance
Southwest Airlines nonstop flights from Las Vegas to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
1.0%
36 flights
Avg arrival delay
13 min
50 min when late
Rank on route
#5 of 5
route average 78% on time
Key facts
- Southwest Airlines flights on LAS to PHX arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 6% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (50%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft50%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion17%
- Extreme weather1%
- Security0%
Other airlines on LAS to PHX
- American Airlines80% on time · 16 min avg delay
- Frontier Airlines80% on time · 21 min avg delay
- SkyWest Airlines84% on time · 9 min avg delay
- Envoy Air100% on time · 0 min avg delay
Full LAS to PHX comparison →
Southwest Airlines on-time record across all routes →
3,449 Southwest Airlines flights tracked on this route; 36 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.