78% of ONT → DFW flights arrived on time in June-August 2026 (559 flights). The most reliable was AA 1412, on time 92% of the time on this route. Morning flights did best (85%), afternoon flights worst (68%). ONT (ONT): no delay reported. Dallas/Fort Worth (DFW): no delay reported.
Best time of day to fly ONT → DFW
| Morning (before noon) | |
| Afternoon (noon-5 PM) | |
| Evening (after 5 PM) |
Flights ONT → DFW, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| AA 1412 American Airlines | 5:34 AM | 1.1% | |
| AA 2893 American Airlines | 7:00 AM | 3.3% | |
| AA 991 American Airlines | 11:59 PM | 2.2% | |
| AA 2242 American Airlines | 12:35 PM | 1.9% | |
| AA 2238 American Airlines | 10:25 AM | 2.5% | |
| F9 1406 Frontier | 6:47 PM | 0% | |
| F9 4690 Frontier | 8:17 AM | 1.5% | |
| AA 3006 American Airlines | 11:59 PM | 1.1% | |
| AA 2956 American Airlines | 12:33 PM | 0% | |
| AA 2239 American Airlines | 2:15 PM | 3% |
DFW conditions · DFW → ONT · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.