Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Boston via Chicago: arrives on time 57%
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17:09 IAH → 20:05 ORDUA 2135 · United · 2h 56m · 68% on time, 0.6% cancelled
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1h 36m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:41 ORD → 01:14 BOS +1 dayUA 1779 · United · 2h 33m · 68% on time, 3.7% cancelled
Total trip 7h 05m, scheduled departure to arrival (Boston is 1 h ahead of Houston). Times are local. Both flew on 52 of the last 56 days.
Makes the connection87%The first flight arrived more than 51 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 36m layover.
Arrives on time57%First flight not cancelled (0.6% are) × connection made (87%) × second flight not cancelled (3.7% are) and within 15 minutes (68%).
Total trip7h 05mIAH 17:09 to BOS 01:14, 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.