Showing Frontier only (incl. its regional partners)All airlines ×

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

Leave before 9 am: 93% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 7–8 am 97% arrive on time from DEN

Best single flight F9 2341 DEN 12:32 → LAX 14:09 · 90% on time Avoid F9 4345 DEN 22:39 → LAX 00:11 · 74% 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).

DEN

% 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 2341	DEN 12:32	LAX 14:09	90%
F9 3155	DEN 07:00	LAX 08:33	88%
F9 4345	DEN 22:39	LAX 00:11	74%

All 3 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 3155	DEN 07:00	LAX 08:33	2h 33m	151	88%	0.7%	56 min
F9 2341	DEN 12:32	LAX 14:09	2h 37m	283	90%	0.4%	99 min
F9 4345	DEN 22:39	LAX 00:11	2h 32m	304	74%	0.3%	68 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	DEN	LAX	2h 35m	83%	0.4%	782	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