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7,733 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 2 in 3.

Best time to leave 6–7 am 93% arrive on time from DEN
Best single flight F9 3861 DEN 15:00 → SLC 16:37 · 96% on time Avoid F9 4251 DEN 20:16 → SLC 21:59 · 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
17
18
19
20
21
22
DEN
91
95
92
92
83
83
83
79
82
71
82
69
71
67
69
64
66
63
% 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.
Delta (incl. SkyWest) 1,697 84% 0.4% 83 min
Frontier 1,023 83% 0.3% 56 min
United (incl. SkyWest) 2,706 80% 0.4% 61 min
Southwest 2,307 74% 0.4% 53 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.
F9 3861 DEN 15:00 SLC 16:37 96%
DL 1581 DEN 07:05 SLC 08:36 92%
UA 497 DEN 08:00 SLC 09:37 90%
DL 2544 DEN 05:40 SLC 07:13 87%
F9 3981 DEN 13:18 SLC 14:55 86%
· · ·
UA 5762flown by SkyWest DEN 17:45 SLC 19:25 73%
DL 2663 DEN 19:00 SLC 20:38 72%
F9 4251 DEN 20:16 SLC 21:59 71%

All 27 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.
DL 2544 DEN 05:40 SLC 07:13 1h 33m 271 87% 0.4% 112 min
F9 3219 DEN 06:00 SLC 07:31 1h 31m 199 83% 1.0% 52 min
DL 1581 DEN 07:05 SLC 08:36 1h 31m 360 92% 0.0% 168 min
WN 452 DEN 07:45 SLC 09:20 1h 35m 49 90% 0.0% 47 min
UA 497 DEN 08:00 SLC 09:37 1h 37m 187 90% 0.0% 45 min
F9 4235 DEN 08:28 SLC 10:00 1h 33m 48 94% 0.0% 36 min
WN 4027 DEN 10:05 SLC 11:45 1h 35m 50 80% 0.0% 27 min
UA 1963 DEN 11:40 SLC 13:13 1h 33m 365 80% 0.3% 44 min
WN 1731 DEN 11:45 SLC 13:25 1h 40m 42 64% 0.0% 34 min
DL 1553 DEN 12:45 SLC 14:18 1h 33m 253 84% 1.2% 51 min
WN 1732 DEN 13:05 SLC 14:35 1h 30m 49 50% 0.0% 37 min
F9 3981 DEN 13:18 SLC 14:55 1h 37m 167 86% 0.0% 62 min
UA 1840 DEN 13:40 SLC 15:13 1h 33m 161 84% 0.0% 86 min
F9 3861 DEN 15:00 SLC 16:37 1h 37m 178 96% 0.0% 68 min
UA 5773flown by SkyWest DEN 15:35 SLC 17:15 1h 40m 30 77% 0.0% 60 min
DL 1623 DEN 15:55 SLC 17:34 1h 40m 272 84% 0.7% 100 min
UA 5261flown by SkyWest DEN 16:29 SLC 18:10 1h 41m 62 76% 0.0% 85 min
WN 1733 DEN 16:50 SLC 18:35 1h 45m 49 63% 0.0% 96 min
UA 5762flown by SkyWest DEN 17:45 SLC 19:25 1h 40m 328 73% 0.0% 73 min
WN 1734 DEN 17:50 SLC 19:35 1h 45m 33 45% 0.0% 65 min
DL 2663 DEN 19:00 SLC 20:38 1h 38m 365 72% 0.0% 61 min
UA 1851 DEN 19:23 SLC 20:56 1h 33m 35 57% 0.0% 54 min
UA 2769 DEN 19:23 SLC 20:56 1h 33m 36 53% 0.0% 62 min
F9 4251 DEN 20:16 SLC 21:59 1h 39m 264 71% 0.0% 57 min
WN 2646 DEN 20:30 SLC 22:08 1h 38m 16 25% 0.0% 84 min
WN 1737 DEN 20:55 SLC 22:40 1h 40m 57 40% 0.0% 61 min
UA 5646flown by SkyWest DEN 21:05 SLC 22:44 1h 39m 168 80% 0.0% 69 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.
Delta DEN SLC 1h 36m 84% 0.4% 1,697 Flying now
Frontier DEN SLC 1h 37m 83% 0.3% 1,023 Flying now
United DEN SLC 1h 40m 80% 0.4% 2,706 Flying now
Southwest DEN SLC 1h 35m 74% 0.4% 2,307 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