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5,559 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 7 in 10.

Best time to leave 6–7 am 92% arrive on time from SJC
Best single flight AS 3499 SJC 09:09 → SAN 10:45 · 73% on time Avoid AS 2213 SJC 20:12 → SAN 21:48 · 59% 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
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9
10
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12
13
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15
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21
SJC
96
92
90
89
83
75
81
76
75
69
64
73
63
68
71
69
% 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 SJC 9–10 am: 2Close ×
WN 3507 SJC 09:00 SAN 10:25 1h 25m 42 73% 0.0% 33 min
AS 3499flown by SkyWest SJC 09:09 SAN 10:45 1h 36m 289 73% 0.3% 47 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.
Alaska (incl. SkyWest, Horizon) 1,812 75% 1.4% 49 min
Southwest 3,740 70% 0.9% 47 min
Spirit 7 – 0.0% 40 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 3499flown by SkyWest SJC 09:09 SAN 10:45 73%
AS 3429flown by SkyWest SJC 15:15 SAN 16:49 67%
AS 2213flown by Horizon SJC 20:12 SAN 21:48 59%
All 27 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.
Alaska SJC SAN 1h 30m 75% 1.4% 1,812 Flying now
Southwest SJC SAN 1h 25m 70% 0.9% 3,740 Flying now
Spirit SJC SAN – 43%few flights 0.0% 7 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