3,685 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 7–8 am 93% arrive on time from DEN

Best single flight UA 2666 DEN 07:40 → SNA 09:07 · 95% on time Avoid UA 1320 DEN 11:20 → SNA 12:51 · 88% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Frontier	280	89%	0.4%	64 min
United	1,869	87%	0.4%	50 min
Southwest	1,536	75%	0.1%	44 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.


UA 2666	DEN 07:40	SNA 09:07	95%
F9 4371	DEN 07:40	SNA 09:09	89%
UA 1320	DEN 11:20	SNA 12:51	88%

All 15 flights on this route →

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	SNA	2h 29m	89%	0.4%	280	Flying now
United	DEN	SNA	2h 30m	87%	0.4%	1,869	Flying now
Southwest	DEN	SNA	2h 25m	75%	0.1%	1,536	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