SkyWest Airlines PHX to ONT on-time performance
SkyWest Airlines nonstop flights from Phoenix to Ontario · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
95%
arrived < 15 min late
Cancelled
1.6%
1 flights
Avg arrival delay
4 min
67 min when late
Rank on route
#1 of 4
route average 77% on time
Key facts
- SkyWest Airlines flights on PHX to ONT arrived on time 95% of the time in Aug 2025 – Jul 2026.
- 1.6% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (92%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)92%
- Air traffic control & airport congestion8%
- Late-arriving aircraft0%
- Extreme weather0%
- Security0%
Other airlines on PHX to ONT
- Southwest Airlines74% on time · 14 min avg delay
- American Airlines80% on time · 14 min avg delay
- Envoy Air91% on time · 4 min avg delay
Full PHX to ONT 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.