Southwest Airlines PHX to LAS on-time performance
Southwest Airlines nonstop flights from Phoenix to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
1.1%
37 flights
Avg arrival delay
13 min
51 min when late
Rank on route
#5 of 5
route average 78% on time
Key facts
- Southwest Airlines flights on PHX to LAS arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 1.1% 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 (52%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft52%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion15%
- Extreme weather2%
- Security1%
Other airlines on PHX to LAS
- American Airlines78% on time · 16 min avg delay
- Frontier Airlines81% on time · 23 min avg delay
- SkyWest Airlines95% on time · 6 min avg delay
- Envoy Air100% on time · 3 min avg delay
Full PHX to LAS comparison →
Southwest Airlines on-time record across all routes →
3,451 Southwest Airlines flights tracked on this route; 37 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.