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43,659 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 7 in 10.

Best time to leave 5–6 am 98% arrive on time from SFO, 96% arrive on time from OAK
Best airport pair SJC → SNA 87% on time, 0.8% cancelled, 2,730 flights
Best single flight DL 1598 SFO 07:00 → LAX 08:30 · 94% on time Avoid DL 2267 SFO 16:39 → LAX 18:13 · 53% 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
21
22
SFO
97
95
93
90
83
74
67
65
72
67
69
70
71
73
78
67
71
63
OAK
95
95
94
92
90
87
80
77
80
80
75
65
66
74
67
66
52
SJC
96
97
95
91
89
88
84
83
75
79
77
75
76
73
75
59
% 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) 4,633 83% 1.3% 68 min
Southwest 21,313 82% 0.7% 52 min
United (incl. SkyWest) 9,079 81% 0.5% 57 min
Alaska (incl. SkyWest, Horizon) 5,915 76% 1.9% 58 min
American (incl. Envoy, SkyWest) 1,856 73% 0.8% 70 min
Frontier 854 68% 2.1% 84 min
Spirit OAK→SNA only 9 – 0.0% 49 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 1598 SFO 07:00 LAX 08:30 94%
DL 1438 SJC 18:12 LAX 19:37 93%
AS 3440flown by SkyWest SFO 06:35 SNA 08:15 92%
DL 3842flown by SkyWest SJC 14:59 LAX 16:27 92%
DL 3883flown by SkyWest SJC 20:19 LAX 21:55 92%
· · ·
DL 1715 SFO 11:45 LAX 13:17 60%
F9 2678 SFO 09:41 ONT 11:13 58%
DL 2267 SFO 16:39 LAX 18:13 53%
All 181 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 SJC LAX 1h 25m 93% 0.9% 2,259 Flying now
Southwest SJC SNA 1h 20m 87% 0.8% 2,677 Flying now
Southwest OAK LGB 1h 25m 87% 0.3% 1,597 Flying now
Southwest SJC LGB 1h 20m 86% 0.2% 1,239 Flying now
Southwest OAK SNA 1h 30m 86% 0.7% 2,338 Flying now
Southwest SJC BUR 1h 10m 86% 1.2% 2,162 Flying now
Southwest SJC ONT 1h 15m 83% 0.2% 1,317 Flying now
United SFO SNA 1h 43m 83% 0.6% 2,172 Flying now
Southwest OAK ONT 1h 20m 83% 0.4% 1,471 Flying now
Southwest OAK BUR 1h 10m 82% 1.0% 2,735 Flying now
United SFO BUR 1h 25m 82% 0.6% 2,166 Flying now
United SFO ONT 1h 27m 81% 0.5% 1,114 Flying now
Southwest OAK LAX 1h 25m 80% 0.7% 2,082 Flying now
United SFO LAX 1h 35m 80% 0.3% 3,626 Flying now
Frontier SJC LAX 1h 25m 79% 4.3% 117 Flying now
Southwest SJC LAX 1h 20m 79% 0.5% 1,844 Flying now
Alaska SFO SNA 1h 39m 78% 2.0% 2,393 Flying now
Delta SFO LAX 1h 33m 73% 1.6% 2,374 Flying now
Alaska SFO LAX 1h 33m 73% 2.0% 2,317 Flying now
American SFO LAX 1h 33m 73% 0.8% 1,846 Flying now
Alaska SJC SNA 1h 43m 72% 0.0% 53 Flying now
Frontier SFO LAX 1h 41m 70% 1.5% 390 Flying now
Frontier SFO SNA 1h 48m 69% 0.7% 151 Flying now
Southwest SFO LAX 1h 30m 61% 0.6% 1,425 Flying now
Frontier SFO ONT 1h 34m 58% 3.1% 196 Flying now
Southwest SFO BUR 1h 20m 52% 2.8% 426 Flying now
Alaska SJC LAX 1h 28m 88% 1.5% 529 Not flying now
Alaska SFO BUR 1h 24m 76% 1.6% 612 Not flying now
Alaska OAK SNA – 100%few flights 0.0% 7 Not flying now
United SJC LAX – 100%few flights 0.0% 1 Not flying now
Spirit OAK SNA – 78%few flights 0.0% 9 Not flying now
American SJC LAX – 70%few flights 0.0% 10 Not flying now
Alaska SJC BUR – 50%few flights 0.0% 4 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