Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Baltimore → Chicago via Houston: arrives on time 81%
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06:00 BWI → 08:16 IAHUA 1898 · United · 3h 16m · 93% on time, 2.4% cancelled
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1h 19m layover in Houston (IAH) · 45 min minimum on one ticket
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09:35 IAH → 12:29 ORDUA 2124 · United · 2h 54m · 86% on time, 0.3% cancelled
Total trip 7h 29m, scheduled departure to arrival (Chicago is 1 h behind Baltimore). Times are local. Both flew on 39 of the last 56 days.
Makes the connection97%The first flight arrived more than 34 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time81%First flight not cancelled (2.4% are) × connection made (97%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip7h 29mBWI 06:00 to ORD 12:29, 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.