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2,297 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 4 in 5.

Best time to leave 5–6 am 90% arrive on time from ONT
Best single flight AA 1412 ONT 05:34 → DFW 10:41 · 89% on time Avoid F9 4690 ONT 08:17 → DFW 13:31 · 76% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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ONT
92
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66
82
81
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
American 1,970 81% 2.8% 109 min
Frontier 327 75% 1.8% 66 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
AA 1412 ONT 05:34 DFW 10:41 89%
F9 4690 ONT 08:17 DFW 13:31 76%

All 9 flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
AA 1412 ONT 05:34 DFW 10:41 3h 07m 365 89% 1.6% 116 min
AA 2893 ONT 07:00 DFW 12:09 3h 09m 138 87% 4.3% 335 min
F9 4690 ONT 08:17 DFW 13:31 3h 14m 165 76% 0.6% 56 min
AA 2238 ONT 10:25 DFW 15:37 3h 12m 71 81% 1.4% 159 min
AA 2242 ONT 12:35 DFW 17:50 3h 15m 72 75% 2.8% 54 min
AA 2239 ONT 14:15 DFW 19:30 3h 12m 75 57% 5.3% 110 min
F9 1406 ONT 18:47 DFW 23:59 3h 12m 109 79% 2.8% 87 min
AA 3006 ONT 23:59 DFW 05:00 3h 01m 27 70% 0.0% 68 min
AA 991 ONT 23:59 DFW 05:00 3h 01m 46 79% 4.3% 72 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
American ONT DFW 3h 02m 81% 2.8% 1,970 Flying now
Frontier ONT DFW 3h 12m 75% 1.8% 327 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON