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4,189 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 82%.

Best time to leave 6–7 am 97% arrive on time from LAX
Best single flight DL 2906 LAX 05:35 → SLC 08:30 · 96% on time Avoid DL 2311 LAX 17:05 → SLC 19:59 · 78% 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
LAX
96
96
92
90
89
80
89
91
86
70
88
78
89
83
72
% 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 LAX 1–2 pm: 1Close ×
DL 1647 LAX 13:10 SLC 16:07 1h 57m 365 87% 0.3% 101 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.
United (incl. SkyWest) 669 90% 0.0% 75 min
Delta 2,452 89% 0.4% 81 min
American (incl. SkyWest) 201 88% 0.0% 71 min
Frontier 470 85% 1.3% 78 min
Southwest 374 81% 0.5% 45 min
Spirit 23 – 4.3% 28 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 2906 LAX 05:35 SLC 08:30 96%
DL 1434 LAX 09:55 SLC 12:50 92%
DL 1318 LAX 07:15 SLC 10:10 92%
DL 1194 LAX 11:41 SLC 14:30 90%
F9 4130 LAX 09:48 SLC 12:47 89%
· · ·
DL 1483 LAX 19:15 SLC 22:04 86%
F9 1268 LAX 10:10 SLC 13:02 81%
DL 2311 LAX 17:05 SLC 19:59 78%
All 15 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.
United LAX SLC 1h 56m 90% 0.0% 669 Flying now
Delta LAX SLC 1h 55m 89% 0.4% 2,452 Flying now
Frontier LAX SLC 1h 59m 85% 1.3% 470 Flying now
Southwest LAX SLC 1h 50m 81% 0.5% 374 Flying now
American LAX SLC 2h 01m 88% 0.0% 201 Not flying now
Spirit LAX SLC 1h 50m 91%few flights 4.3% 23 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