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Showing United only (incl. its regional partners)All airlines ×
3,816 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 2 in 3.

Best time to leave 5–6 am 98% arrive on time from ORD
Best single flight UA 2666 ORD 05:00 → DEN 06:42 · 98% on time Avoid UA 767 ORD 20:00 → DEN 22:01 · 71% 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
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18
19
20
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ORD
97
100
95
83
87
84
85
81
79
73
74
60
67
64
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

Pick an hour to see this route’s flights leaving then.

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%

All 18 United flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
UA 2666 ORD 05:00 DEN 06:42 2h 42m 158 98% 0.6% 28 min
UA 2806 ORD 06:00 DEN 07:42 2h 42m 72 97% 1.4% 40 min
UA 1217 ORD 07:05 DEN 08:55 2h 50m 125 92% 0.0% 79 min
UA 526 ORD 08:40 DEN 10:31 2h 51m 31 90% 0.0% 42 min
UA 2431 ORD 08:40 DEN 10:31 2h 51m 35 86% 0.0% 29 min
UA 581 ORD 10:54 DEN 12:45 2h 51m 37 97% 0.0% 258 min
UA 1803 ORD 10:54 DEN 12:45 2h 51m 328 86% 0.3% 63 min
UA 2657 ORD 12:56 DEN 14:46 2h 50m 30 76% 0.0% 65 min
UA 1150 ORD 12:56 DEN 14:46 2h 50m 31 87% 0.0% 86 min
UA 2794 ORD 13:30 DEN 15:17 2h 47m 24 74% 0.0% 48 min
UA 2802 ORD 13:30 DEN 15:17 2h 47m 33 82% 0.0% 126 min
UA 2803 ORD 14:33 DEN 16:31 2h 58m 72 76% 0.0% 135 min
UA 2769 ORD 16:12 DEN 18:13 3h 01m 37 61% 0.0% 117 min
UA 2790 ORD 16:12 DEN 18:13 3h 01m 35 66% 0.0% 75 min
UA 1974 ORD 18:17 DEN 20:22 3h 05m 92 58% 3.3% 77 min
UA 767 ORD 20:00 DEN 22:01 3h 01m 365 71% 2.2% 56 min
UA 329 ORD 20:03 DEN 22:04 3h 01m 80 75% 0.0% 85 min
UA 377 ORD 21:50 DEN 23:48 2h 58m 30 72% 3.3% 98 min

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
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