American Airlines DFW to ONT on-time performance
American Airlines nonstop flights from Dallas/Fort Worth to Ontario · Aug 2025 – Jul 2026
On-time arrivals
69%
arrived < 15 min late
Cancelled
2.7%
53 flights
Avg arrival delay
23 min
69 min when late
Rank on route
#2 of 2
route average 71% on time
Key facts
- American Airlines flights on DFW to ONT arrived on time 69% of the time in Aug 2025 – Jul 2026.
- 2.7% were cancelled, and 11% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion8%
- Extreme weather7%
- Security0%
Other airlines on DFW to ONT
- Frontier Airlines82% on time · 11 min avg delay
Full DFW to ONT comparison →
American Airlines on-time record across all routes →
1,969 American Airlines flights tracked on this route; 53 cancelled, 1 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.