Frontier Airlines ONT to DFW on-time performance
Frontier Airlines nonstop flights from Ontario to Dallas/Fort Worth · Aug 2025 – Jul 2026
On-time arrivals
74%
arrived < 15 min late
Cancelled
1.8%
6 flights
Avg arrival delay
18 min
64 min when late
Rank on route
#2 of 2
route average 79% on time
Key facts
- Frontier Airlines flights on ONT to DFW arrived on time 74% of the time in Aug 2025 – Jul 2026.
- 1.8% were cancelled, and 8% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 79% 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%
- Air traffic control & airport congestion30%
- Airline (crew, maintenance, cleaning, fueling)16%
- Extreme weather0%
- Security0%
Other airlines on ONT to DFW
- American Airlines80% on time · 22 min avg delay
Full ONT to DFW comparison →
Frontier Airlines on-time record across all routes →
327 Frontier Airlines flights tracked on this route; 6 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.