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Showing Southwest only (incl. its regional partners)All airlines ×
3,746 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 58%.

Best time to leave 6–7 am 97% arrive on time from SAN

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).

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SAN
97
95
93
87
73
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64
54
61
58
52
59
63
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68
35
% 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.

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.

No Southwest flight on this route ran 150+ times in the year.

All 16 Southwest flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
WN 3536 SAN 06:35 SJC 08:15 1h 40m 50 100% 0.0% –
WN 3537 SAN 08:10 SJC 09:42 1h 32m 50 90% 0.0% 29 min
WN 4509 SAN 09:30 SJC 11:00 1h 30m 41 93% 0.0% 24 min
WN 2100 SAN 09:55 SJC 11:25 1h 30m 16 60% 6.2% 23 min
WN 1863 SAN 10:25 SJC 11:50 1h 25m 64 95% 1.6% 33 min
WN 2121 SAN 10:30 SJC 11:55 1h 25m 25 60% 0.0% 59 min
WN 1191 SAN 11:15 SJC 12:55 1h 40m 16 88% 0.0% 26 min
WN 1181 SAN 12:25 SJC 13:55 1h 30m 42 71% 0.0% 31 min
WN 3538 SAN 13:30 SJC 15:00 1h 30m 34 62% 0.0% 42 min
WN 3539 SAN 14:30 SJC 15:55 1h 25m 50 54% 0.0% 39 min
WN 3540 SAN 16:10 SJC 17:35 1h 25m 42 31% 0.0% 39 min
WN 3541 SAN 17:05 SJC 18:30 1h 25m 42 56% 0.0% 59 min
WN 3620 SAN 17:45 SJC 19:10 1h 25m 16 56% 0.0% 52 min
WN 4185 SAN 18:05 SJC 19:35 1h 30m 34 56% 0.0% 46 min
WN 4186 SAN 19:30 SJC 21:00 1h 28m 50 26% 0.0% 56 min
WN 3542 SAN 21:00 SJC 22:30 1h 30m 50 54% 0.0% 58 min

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.
Southwest SAN SJC 1h 30m 76% 0.7% 3,746 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