SkyWest Airlines STL to PHX on-time performance
SkyWest Airlines nonstop flights from St. Louis to Phoenix · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
96%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
8 min
211 min when late
Rank on route
#2 of 5
route average 75% on time
Key facts
- SkyWest Airlines flights on STL to PHX arrived on time 96% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was extreme weather (96%).
On-time trend by month
Why this airline's flights were late
- Extreme weather96%
- Air traffic control & airport congestion4%
- Airline (crew, maintenance, cleaning, fueling)0%
- Late-arriving aircraft0%
- Security0%
Other airlines on STL to PHX
- Southwest Airlines71% on time · 16 min avg delay
- American Airlines81% on time · 36 min avg delay
- Frontier Airlines83% on time · 37 min avg delay
- Envoy Air100% on time · 2 min avg delay
Full STL to PHX comparison →
SkyWest Airlines on-time record across all routes →
27 SkyWest Airlines flights tracked on this route; 0 cancelled, 0 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.