Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Atlanta via Houston: arrives on time 74%
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07:35 ORD → 10:36 IAHUA 1231 · United · 3h 01m · 91% on time, 1.3% cancelled
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1h 19m layover in Houston (IAH) · 45 min minimum on one ticket
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11:55 IAH → 15:16 ATLUA 4079 · United, flown by Mesa · 2h 21m · 79% on time, 0.0% cancelled
Total trip 6h 41m, scheduled departure to arrival (Atlanta is 1 h ahead of Chicago). Times are local. Both flew on 48 of the last 56 days.
Makes the connection95%The first flight arrived more than 34 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time74%First flight not cancelled (1.3% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip6h 41mORD 07:35 to ATL 15:16, 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.