Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Houston via Nashville: arrives on time 91%
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22:40 SAN → 04:45 BNAWN 3480 · Southwest · 4h 05m · 96% on time, 3.4% cancelled
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1h 45m layover in Nashville (BNA) · 90 min minimum on separate tickets
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06:30 BNA → 08:42 IAH +1 dayUA 396 · United · 2h 12m · 97% on time, 0.0% cancelled
Total trip 8h 02m, scheduled departure to arrival (Houston is 2 h ahead of San Diego). Times are local. Both flew on 36 of the last 56 days.
Makes the connection96%The first flight arrived more than 15 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 1h 45m layover.
Arrives on time91%First flight not cancelled (3.4% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (97%).
Total trip8h 02mSAN 22:40 to IAH 08:42, 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.