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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: 88% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 6–7 am 91% arrive on time from DFW
Best airport pair DFW → ONT 82% on time, 1.8% cancelled, 327 flights
Best single flight F9 4689 DFW 15:35 → ONT 16:48 · 79% on time Avoid F9 3211 DFW 21:56 → LAX 23:27 · 77% 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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DFW
93
86
78
80
78
74
73
68
69
53
% 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 4689 DFW 15:35 ONT 16:48 79%
F9 3211 DFW 21:56 LAX 23:27 77%

All 5 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 2273 DFW 07:35 LAX 08:54 3h 26m 95 85% 0.0% 54 min
F9 3325 DFW 14:17 SNA 15:39 3h 18m 42 68% 2.4% 77 min
F9 4689 DFW 15:35 ONT 16:48 3h 13m 209 79% 1.0% 59 min
F9 4963 DFW 16:08 LAX 17:30 3h 22m 121 76% 0.8% 78 min
F9 3211 DFW 21:56 LAX 23:27 3h 31m 262 77% 1.1% 84 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 DFW ONT 3h 13m 82% 1.8% 327 Flying now
Frontier DFW LAX 3h 26m 78% 0.8% 478 Flying now
Frontier DFW SNA 3h 18m 68% 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