tailodds FORECAST
Tickets
Any day
6,138 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 64%.

Best time to leave 5–6 am 97% arrive on time from ORD
Best single flight UA 2666 ORD 05:00 → DEN 06:42 · 98% on time Avoid AA 1387 ORD 22:34 → DEN 00:17 · 57% 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
ORD
94
89
93
80
77
84
70
81
82
79
62
72
75
59
58
61
66
57
% 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 ORD 6–7 pm: 1Close ×
UA 1974 ORD 18:17 DEN 20:22 3h 05m 92 58% 3.3% 77 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 3,816 80% 0.9% 74 min
Southwest 390 75% 1.5% 67 min
Frontier 331 72% 3.0% 127 min
American (incl. Envoy) 1,601 68% 1.5% 75 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 ORD 05:00 DEN 06:42 98%
UA 1803 ORD 10:54 DEN 12:45 86%
UA 767 ORD 20:00 DEN 22:01 71%
F9 1483 ORD 21:48 DEN 23:54 71%
AA 1387 ORD 22:34 DEN 00:17 57%
All 24 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 ORD DEN 2h 51m 80% 0.9% 3,816 Flying now
Frontier ORD DEN 3h 06m 72% 3.0% 331 Flying now
American ORD DEN 2h 47m 68% 1.5% 1,601 Flying now
Southwest ORD DEN 2h 45m 75% 1.5% 390 Not 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