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3,161 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 4 in 5.

Best time to leave 7–8 am 93% arrive on time from SLC
Best single flight AS 3018 SLC 07:40 → SAN 08:50 · 93% on time Avoid DL 1210 SLC 15:00 → SAN 15:56 · 76% 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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
SLC
95
94
95
80
82
73
69
77
80
75
72
84
83
% 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
San Diego flights leaving SLC 6–7 pm: 2Close ×
AS 3019flown by SkyWest SLC 18:06 SAN 19:16 2h 10m 228 80% 1.8% 73 min
AS 2052flown by Horizon SLC 18:10 SAN 19:10 2h 00m 27 78% 0.0% 48 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) 1,749 84% 0.8% 57 min
Alaska (incl. SkyWest, Horizon) 883 84% 1.1% 60 min
Southwest 408 75% 0.2% 46 min
Frontier 121 – 2.5% 58 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.
AS 3018flown by SkyWest SLC 07:40 SAN 08:50 93%
DL 1177 SLC 07:45 SAN 08:42 93%
DL 1296 SLC 11:15 SAN 12:17 84%
DL 1252 SLC 17:10 SAN 18:06 84%
DL 1202 SLC 22:55 SAN 23:50 83%
· · ·
AS 3019flown by SkyWest SLC 18:06 SAN 19:16 80%
DL 1210 SLC 15:00 SAN 15:56 76%
All 12 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 SAN 1h 57m 84% 0.8% 1,749 Flying now
Alaska SLC SAN 2h 05m 84% 1.1% 883 Flying now
Southwest SLC SAN 1h 55m 75% 0.2% 408 Flying now
Frontier SLC SAN 1h 59m 86% 2.5% 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