Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Boston via Dulles: arrives on time 45%
-
12:13 IAH → 16:30 IADUA 2366 · United · 3h 17m · 82% on time, 0.3% cancelled
-
55m layover in Dulles (IAD) · 45 min minimum on one ticket
-
17:25 IAD → 19:14 BOSUA 688 · United · 1h 49m · 63% on time, 3.3% cancelled
Total trip 6h 01m, scheduled departure to arrival (Boston is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection74%The first flight arrived more than 10 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time45%First flight not cancelled (0.3% are) × connection made (74%) × second flight not cancelled (3.3% are) and within 15 minutes (63%).
Total trip6h 01mIAH 12:13 to BOS 19:14, 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.