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3,744 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: almost all depart on time. After 4 pm it’s 7 in 10.

Best time to leave 6–7 am 98% arrive on time from SLC
Best single flight DL 1698 SLC 08:25 → LAS 08:53 · 94% on time Avoid DL 1690 SLC 17:40 → LAS 18:04 · 75% 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).

6
7
8
9
10
11
12
13
14
15
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18
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20
21
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23
SLC
97
96
96
93
82
81
96
73
58
78
46
71
80
79
57
67
80
77
% 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) 1,720 81% 0.6% 59 min
Frontier 528 79% 1.3% 118 min
Southwest 1,444 78% 0.4% 50 min
Spirit 52 – 3.8% 100 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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.
DL 1698 SLC 08:25 LAS 08:53 94%
F9 2575 SLC 13:47 LAS 14:21 80%
DL 1662 SLC 23:14 LAS 23:40 80%
DL 1659 SLC 11:35 LAS 12:02 77%
DL 1672 SLC 15:30 LAS 15:55 76%
· · ·
DL 1690 SLC 17:40 LAS 18:04 75%
All 11 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 SLC LAS 1h 27m 81% 0.6% 1,720 Flying now
Frontier SLC LAS 1h 35m 79% 1.3% 528 Flying now
Southwest SLC LAS 1h 30m 78% 0.4% 1,444 Flying now
Spirit SLC LAS 1h 35m 74% 3.8% 52 Not 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