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Showing Southwest only (incl. its regional partners)All airlines ×
1,092 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 72%.

Best time to leave 10–11 pm 96% 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
92
98
62
37
48
63
58
61
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

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 5 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 3478 SAN 06:35 BNA 12:45 4h 10m 57 84% 0.0% 49 min
WN 1017 SAN 10:10 BNA 16:10 4h 00m 16 38% 0.0% 47 min
WN 4147 SAN 12:30 BNA 18:30 4h 00m 42 17% 0.0% 43 min
WN 3479 SAN 17:32 BNA 23:30 3h 58m 26 27% 0.0% 52 min
WN 3480 SAN 22:40 BNA 04:45 4h 05m 58 96% 3.4% 20 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 BNA 3h 55m 75% 0.9% 1,092 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