Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chattanooga → Chicago via Houston: arrives on time 59%
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07:00 CHA → 08:23 IAHUA 5086 · United, flown by SkyWest · 2h 23m · 62% on time, 0.0% cancelled
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1h 12m 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 6h 29m, scheduled departure to arrival (Chicago is 1 h behind Chattanooga). Times are local. Both flew on 37 of the last 56 days.
Makes the connection69%The first flight arrived more than 27 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time59%First flight not cancelled (0.0% are) × connection made (69%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip6h 29mCHA 07:00 to ORD 12:29, 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.