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7,133 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 62%.

Best time to leave 5–6 am 98% arrive on time from DEN
Best single flight UA 2316 DEN 08:05 → LAS 09:07 · 94% on time Avoid UA 655 DEN 19:05 → LAS 20:08 · 70% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
DEN
98
96
93
89
83
78
83
77
78
69
63
66
62
65
61
57
46
72
% 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.
United 2,392 80% 0.3% 65 min
Frontier 1,598 77% 0.9% 78 min
Southwest 3,143 73% 0.7% 58 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 2316 DEN 08:05 LAS 09:07 94%
F9 2015 DEN 06:10 LAS 07:10 89%
UA 526 DEN 11:22 LAS 12:24 83%
F9 1993 DEN 10:25 LAS 11:29 81%
F9 2349 DEN 16:25 LAS 17:29 74%
· · ·
F9 777 DEN 22:29 LAS 23:29 74%
F9 4967 DEN 12:47 LAS 13:47 72%
UA 655 DEN 19:05 LAS 20:08 70%
All 27 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.
United DEN LAS 2h 05m 80% 0.3% 2,392 Flying now
Frontier DEN LAS 2h 02m 77% 0.9% 1,598 Flying now
Southwest DEN LAS 2h 00m 73% 0.7% 3,143 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