Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → San Francisco via Houston: arrives on time 74%
-
15:54 BOS → 19:08 IAHUA 1183 · United · 4h 14m · 71% on time, 1.5% cancelled
-
2h 51m layover in Houston (IAH) · 45 min minimum on one ticket
-
21:59 IAH → 00:05 SFO +1 dayUA 1609 · United · 4h 06m · 80% on time, 1.2% cancelled
Total trip 11h 11m, scheduled departure to arrival (San Francisco is 3 h behind Boston). Times are local. Both flew on 55 of the last 56 days.
Makes the connection95%The first flight arrived more than 126 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 51m layover.
Arrives on time74%First flight not cancelled (1.5% are) × connection made (95%) × second flight not cancelled (1.2% are) and within 15 minutes (80%).
Total trip11h 11mBOS 15:54 to SFO 00:05, 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.