Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → San Antonio via Nashville: arrives on time 85%
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22:50 SFO → 05:10 BNAWN 3634 · Southwest · 4h 20m · 40% on time, 0.0% cancelled
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2h 50m layover in Nashville (BNA) · 45 min minimum on one ticket
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08:00 BNA → 10:20 SAT +1 dayWN 663 · Southwest · 2h 20m · 88% on time, 0.0% cancelled
Total trip 9h 30m, scheduled departure to arrival (San Antonio is 2 h ahead of San Francisco). Times are local. Both flew on 46 of the last 56 days.
Makes the connection97%The first flight arrived more than 125 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 50m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip9h 30mSFO 22:50 to SAT 10:20, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.