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Showing Frontier only (incl. its regional partners)All airlines ×
847 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 85% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 9–10 am
Best airport pair ONT → DFW 75% on time, 1.8% cancelled, 327 flights
Best single flight F9 4690 ONT 08:17 → DFW 13:31 · 76% on time Avoid F9 4964 LAX 06:30 → DFW 11:44 · 75% 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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LAX
88
85
66
73
ONT
84
% 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.

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.
F9 4690 ONT 08:17 DFW 13:31 76%
F9 4964 LAX 06:30 DFW 11:44 75%

All 7 Frontier 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.
F9 4964 LAX 06:30 DFW 11:44 3h 14m 254 75% 2.0% 111 min
F9 4690 ONT 08:17 DFW 13:31 3h 14m 165 76% 0.6% 56 min
F9 2274 LAX 09:39 DFW 14:58 3h 19m 60 82% 1.7% 45 min
F9 3326 SNA 16:24 DFW 21:42 3h 18m 33 56% 3.0% 69 min
F9 3212 LAX 18:25 DFW 23:42 3h 17m 89 64% 2.2% 81 min
F9 2564 LAX 18:25 DFW 23:42 3h 17m 75 72% 0.0% 67 min
F9 1406 ONT 18:47 DFW 23:59 3h 12m 109 79% 2.8% 87 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.
Frontier ONT DFW 3h 12m 75% 1.8% 327 Flying now
Frontier LAX DFW 3h 17m 74% 1.7% 478 Flying now
Frontier SNA DFW 3h 18m 59% 2.4% 42 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