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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
Salt Lake City flights leaving DEN 5–6 pm: 2Close ×
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

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 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.
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