Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Boston via Houston: arrives on time 81%
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05:30 ORD → 08:18 IAHUA 2310 · United · 2h 48m · 93% on time, 0.0% cancelled
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1h 32m layover in Houston (IAH) · 45 min minimum on one ticket
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09:50 IAH → 14:48 BOSUA 2393 · United · 3h 58m · 82% on time, 0.0% cancelled
Total trip 8h 18m, scheduled departure to arrival (Boston is 1 h ahead of Chicago). Times are local. Both flew on 55 of the last 56 days.
Makes the connection99%The first flight arrived more than 47 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 32m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (82%).
Total trip8h 18mORD 05:30 to BOS 14:48, 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.