Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Houston via Dulles: arrives on time 64%
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19:27 BOS → 21:16 IADUA 2136 · United · 1h 49m · 71% on time, 2.4% cancelled
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1h 04m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:20 IAD → 00:45 IAH +1 dayUA 1463 · United · 3h 25m · 95% on time, 4.8% cancelled
Total trip 6h 18m, scheduled departure to arrival (Houston is 1 h behind Boston). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection73%The first flight arrived more than 19 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time64%First flight not cancelled (2.4% are) × connection made (73%) × second flight not cancelled (4.8% are) and within 15 minutes (95%).
Total trip6h 18mBOS 19:27 to IAH 00:45, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.