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5,640 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 78%.

Best time to leave 6–7 am 94% arrive on time from LAX
Best single flight DL 3755 LAX 09:13 → SMF 10:46 · 95% on time Avoid AA 4908 LAX 21:50 → SMF 23:23 · 79% 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
LAX
94
90
93
89
83
80
84
85
74
76
89
80
70
74
69
78
75
% 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) 2,042 89% 0.1% 63 min
United (incl. SkyWest) 826 89% 0.4% 78 min
American (incl. SkyWest) 917 83% 0.9% 97 min
Frontier 226 83% 2.2% 52 min
Southwest 1,629 80% 0.2% 55 min

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 3755flown by SkyWest LAX 09:13 SMF 10:46 95%
DL 3822flown by SkyWest LAX 07:00 SMF 08:28 93%
UA 5537flown by SkyWest LAX 09:20 SMF 10:56 92%
DL 3812flown by SkyWest LAX 12:05 SMF 13:32 89%
DL 3759flown by SkyWest LAX 18:51 SMF 20:25 88%
· · ·
UA 5430flown by SkyWest LAX 21:20 SMF 22:56 87%
F9 3315 LAX 16:05 SMF 17:38 82%
AA 4908flown by SkyWest LAX 21:50 SMF 23:23 79%
All 28 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 LAX SMF 1h 31m 89% 0.1% 2,042 Flying now
United LAX SMF 1h 36m 89% 0.4% 826 Flying now
American LAX SMF 1h 34m 83% 0.9% 917 Flying now
Frontier LAX SMF 1h 33m 83% 2.2% 226 Flying now
Southwest LAX SMF 1h 30m 80% 0.2% 1,629 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