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3,164 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 3 in 4.

Best time to leave 6–7 am 96% arrive on time from SAN
Best single flight DL 1117 SAN 06:15 → SLC 09:22 · 96% on time Avoid AS 3017 SAN 18:49 → SLC 21:57 · 73% 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
SAN
96
91
92
89
73
78
80
61
72
74
71
83
67
% 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 SAN 9–10 am: 1Close ×
DL 1177 SAN 09:47 SLC 12:50 2h 03m 364 93% 0.8% 92 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) 1,750 89% 0.8% 80 min
Alaska (incl. SkyWest, Horizon) 885 79% 0.7% 60 min
Southwest 408 77% 0.2% 47 min
Frontier 121 – 0.8% 95 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 1117 SAN 06:15 SLC 09:22 96%
DL 1177 SAN 09:47 SLC 12:50 93%
DL 1296 SAN 13:25 SLC 16:32 87%
DL 1210 SAN 17:01 SLC 20:00 82%
AS 3488flown by SkyWest SAN 15:54 SLC 19:02 81%
· · ·
AS 3017flown by SkyWest SAN 18:49 SLC 21:57 73%
All 14 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 SAN SLC 2h 04m 89% 0.8% 1,750 Flying now
Alaska SAN SLC 2h 08m 79% 0.7% 885 Flying now
Southwest SAN SLC 2h 00m 77% 0.2% 408 Flying now
Frontier SAN SLC 2h 05m 84% 0.8% 121 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