Tickets
Any day
1,504 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 6–7 am 91% arrive on time from CVG
Best single flight UA 1666 CVG 08:00 → DEN 09:02 · 87% on time Avoid F9 3725 CVG 20:36 → DEN 21:43 · 84% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CVG
89
87
71
82
70
% 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
Denver flights leaving CVG 8–9 am: 1Close ×
UA 1666 CVG 08:00 DEN 09:02 3h 02m 364 87% 0.8% 87 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 727 87% 0.7% 83 min
Frontier 386 83% 1.0% 89 min
Southwest 364 76% 1.4% 57 min
Allegiant 27 – 0.0% 35 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 1666 CVG 08:00 DEN 09:02 87%
UA 479 CVG 15:29 DEN 16:30 86%
F9 3725 CVG 20:36 DEN 21:43 84%
All 7 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 CVG DEN 3h 02m 87% 0.7% 727 Flying now
Frontier CVG DEN 3h 10m 83% 1.0% 386 Flying now
Southwest CVG DEN 3h 00m 76% 1.4% 364 Flying now
Allegiant CVG DEN 2h 56m 85%few flights 0.0% 27 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