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7,728 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 72%.

Best time to leave 5–6 am 96% arrive on time from SLC
Best single flight UA 1232 SLC 07:00 → DEN 08:42 · 95% on time Avoid DL 1586 SLC 18:30 → DEN 20:02 · 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
SLC
95
96
94
91
89
84
80
82
84
78
54
68
73
74
67
68
75
79
% 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 (incl. SkyWest) 2,703 84% 0.5% 67 min
Delta 1,696 81% 0.2% 69 min
Frontier 1,023 80% 0.8% 79 min
Southwest 2,306 74% 0.6% 49 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 1232 SLC 07:00 DEN 08:42 95%
UA 5683flown by SkyWest SLC 05:15 DEN 06:54 95%
UA 4720flown by SkyWest SLC 13:05 DEN 14:51 92%
DL 1623 SLC 13:20 DEN 14:56 85%
DL 1553 SLC 10:15 DEN 11:53 84%
· · ·
UA 1662 SLC 14:28 DEN 16:11 79%
F9 3982 SLC 15:41 DEN 17:21 78%
DL 1586 SLC 18:30 DEN 20:02 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.
UA 5683flown by SkyWest SLC 05:15 DEN 06:54 1h 39m 264 95% 0.0% 75 min
WN 3737 SLC 05:42 DEN 07:08 1h 25m 50 98% 2.0% 54 min
F9 3220 SLC 06:05 DEN 07:43 1h 38m 134 84% 0.7% 77 min
UA 1232 SLC 07:00 DEN 08:42 1h 42m 168 95% 0.6% 72 min
DL 1317 SLC 07:45 DEN 09:18 1h 33m 86 95% 0.0% 80 min
WN 3738 SLC 07:45 DEN 09:15 1h 30m 58 95% 0.0% 46 min
F9 3862 SLC 08:16 DEN 10:01 1h 39m 360 81% 0.3% 49 min
UA 5642flown by SkyWest SLC 08:30 DEN 10:27 1h 57m 224 81% 0.0% 63 min
DL 1553 SLC 10:15 DEN 11:53 1h 38m 324 84% 0.3% 45 min
UA 2004 SLC 10:39 DEN 12:24 1h 45m 62 92% 1.6% 50 min
WN 3739 SLC 10:40 DEN 12:05 1h 25m 49 51% 0.0% 27 min
WN 1478 SLC 12:20 DEN 13:50 1h 30m 34 85% 0.0% 30 min
UA 4720flown by SkyWest SLC 13:05 DEN 14:51 1h 46m 284 92% 0.4% 85 min
WN 3591 SLC 13:10 DEN 14:40 1h 30m 16 50% 0.0% 37 min
DL 1623 SLC 13:20 DEN 14:56 1h 36m 360 85% 0.6% 74 min
UA 1662 SLC 14:28 DEN 16:11 1h 43m 207 79% 0.5% 77 min
F9 3982 SLC 15:41 DEN 17:21 1h 40m 243 78% 0.8% 92 min
WN 3740 SLC 16:45 DEN 18:15 1h 30m 57 28% 0.0% 59 min
F9 4236 SLC 17:32 DEN 19:06 1h 34m 121 77% 1.7% 106 min
UA 1910 SLC 17:57 DEN 19:40 1h 43m 98 70% 0.0% 83 min
UA 5548flown by SkyWest SLC 18:27 DEN 20:10 1h 43m 81 81% 0.0% 44 min
DL 1586 SLC 18:30 DEN 20:02 1h 34m 342 71% 0.0% 86 min
WN 3741 SLC 19:35 DEN 21:05 1h 30m 50 65% 0.0% 78 min
DL 1667 SLC 21:05 DEN 22:40 1h 35m 272 79% 0.0% 62 min
WN 4225 SLC 21:40 DEN 23:08 1h 28m 16 69% 0.0% 86 min
WN 4851 SLC 21:40 DEN 23:08 1h 28m 26 58% 0.0% 77 min
F9 4252 SLC 22:50 DEN 00:38 1h 48m 165 80% 1.2% 97 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 SLC DEN 1h 41m 84% 0.5% 2,703 Flying now
Delta SLC DEN 1h 35m 81% 0.2% 1,696 Flying now
Frontier SLC DEN 1h 39m 80% 0.8% 1,023 Flying now
Southwest SLC DEN 1h 30m 74% 0.6% 2,306 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