American Airlines ONT to PHX on-time performance
American Airlines nonstop flights from Ontario to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
0.9%
12 flights
Avg arrival delay
17 min
105 min when late
Rank on route
#3 of 4
route average 82% on time
Key facts
- American Airlines flights on ONT to PHX arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 7% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft43%
- Air traffic control & airport congestion8%
- Extreme weather1%
- Security0%
Other airlines on ONT to PHX
- Southwest Airlines81% on time · 11 min avg delay
- SkyWest Airlines88% on time · 6 min avg delay
- Envoy Air89% on time · 4 min avg delay
Full ONT to PHX comparison →
American Airlines on-time record across all routes →
1,311 American Airlines flights tracked on this route; 12 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.