SkyWest Airlines ONT to PHX on-time performance
SkyWest Airlines nonstop flights from Ontario to Phoenix · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
88%
arrived < 15 min late
Cancelled
1.6%
1 flights
Avg arrival delay
6 min
48 min when late
Rank on route
#2 of 4
route average 82% on time
Key facts
- SkyWest Airlines flights on ONT to PHX arrived on time 88% of the time in Aug 2025 – Jul 2026.
- 1.6% were cancelled, and 3% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (37%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)37%
- Late-arriving aircraft32%
- Air traffic control & airport congestion30%
- Extreme weather0%
- Security0%
Other airlines on ONT to PHX
- Southwest Airlines81% on time · 11 min avg delay
- American Airlines84% on time · 17 min avg delay
- Envoy Air89% on time · 4 min avg delay
Full ONT to PHX comparison →
SkyWest Airlines on-time record across all routes →
61 SkyWest Airlines flights tracked on this route; 1 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.