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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
Las Vegas flights leaving DEN 5–6 pm: 2Close ×
WN 1564 DEN 17:30 LAS 18:30 2h 00m 47 51% 0.0% 74 min
UA 2338 DEN 17:46 LAS 18:50 2h 04m 71 64% 0.0% 85 min

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