Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Houston via San Diego: arrives on time 36%
-
12:30 SFO → 14:10 SANWN 3525 · Southwest · 1h 40m · 45% on time, 8.8% cancelled
-
2h 15m layover in San Diego (SAN) · 45 min minimum on one ticket
-
16:25 SAN → 21:40 HOUWN 3212 · Southwest · 3h 20m · 44% on time, 0.0% cancelled
Total trip 7h 15m, scheduled departure to arrival (Houston is 2 h ahead of San Francisco). Times are local. Both flew on 32 of the last 56 days.
Makes the connection90%The first flight arrived more than 90 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 2h 15m layover.
Arrives on time36%First flight not cancelled (8.8% are) × connection made (90%) × second flight not cancelled (0.0% are) and within 15 minutes (44%).
Total trip7h 15mSFO 12:30 to HOU 21:40, 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.