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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
16
17
18
19
20
21
22
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
Las Vegas flights leaving SLC 8–9 pm: 1Close ×
WN 3745 SLC 20:30 LAS 20:55 1h 25m 50 58% 0.0% 79 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) 1,720 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