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4,286 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 5–6 am 96% arrive on time from PDX
Best single flight UA 2375 PDX 08:50 → DEN 12:24 · 97% on time Avoid F9 1790 PDX 12:26 → DEN 16:08 · 82% 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
PDX
97
91
92
95
96
78
85
82
72
65
81
79
59
81
68
% 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 1,824 91% 0.5% 75 min
Frontier 281 80% 0.4% 61 min
Alaska (incl. SkyWest) 626 80% 0.3% 53 min
Southwest 1,555 75% 0.2% 48 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 2375 PDX 08:50 DEN 12:24 97%
UA 459 PDX 05:00 DEN 08:31 97%
UA 2334 PDX 18:50 DEN 22:29 90%
AS 684 PDX 07:17 DEN 11:06 90%
UA 1411 PDX 12:50 DEN 16:28 88%
· · ·
UA 1787 PDX 16:15 DEN 19:51 85%
F9 1790 PDX 12:26 DEN 16:08 82%

All 21 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 459 PDX 05:00 DEN 08:31 2h 31m 358 97% 0.3% 114 min
WN 3195 PDX 05:50 DEN 09:15 2h 25m 57 93% 0.0% 44 min
AS 684 PDX 07:17 DEN 11:06 2h 49m 174 90% 0.6% 40 min
AS 401 PDX 07:20 DEN 11:03 2h 43m 45 98% 0.0% 36 min
WN 4099 PDX 07:30 DEN 11:00 2h 30m 26 96% 0.0% 32 min
WN 3693 PDX 08:35 DEN 12:00 2h 25m 24 96% 0.0% 21 min
UA 2375 PDX 08:50 DEN 12:24 2h 34m 365 97% 0.5% 133 min
WN 1658 PDX 11:00 DEN 14:30 2h 30m 42 76% 0.0% 25 min
UA 2793 PDX 11:05 DEN 14:43 2h 38m 71 89% 0.0% 34 min
F9 1790 PDX 12:26 DEN 16:08 2h 43m 239 82% 0.0% 54 min
UA 1411 PDX 12:50 DEN 16:28 2h 38m 153 88% 0.0% 78 min
AS 1809 PDX 14:30 DEN 18:09 2h 39m 52 67% 1.9% 55 min
AS 1346 PDX 14:39 DEN 18:25 2h 46m 113 78% 0.0% 54 min
WN 2519 PDX 14:45 DEN 18:20 2h 35m 57 51% 0.0% 62 min
UA 1787 PDX 16:15 DEN 19:51 2h 36m 220 85% 0.0% 64 min
F9 2554 PDX 17:20 DEN 21:01 2h 42m 40 67% 2.5% 82 min
WN 3198 PDX 17:35 DEN 21:00 2h 25m 26 19% 0.0% 53 min
AS 711 PDX 17:50 DEN 21:37 2h 47m 28 86% 0.0% 41 min
AS 1627 PDX 18:04 DEN 21:40 2h 36m 51 69% 0.0% 51 min
UA 2334 PDX 18:50 DEN 22:29 2h 39m 219 90% 0.0% 88 min
WN 3199 PDX 19:40 DEN 23:08 2h 25m 50 45% 2.0% 71 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 PDX DEN 2h 35m 91% 0.5% 1,824 Flying now
Frontier PDX DEN 2h 43m 80% 0.4% 281 Flying now
Alaska PDX DEN 2h 40m 80% 0.3% 626 Flying now
Southwest PDX DEN 2h 25m 75% 0.2% 1,555 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