Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Tucson 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 14m layover in Houston (IAH) · 45 min minimum on one ticket
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09:32 IAH → 10:07 TUSUA 6219 · United, flown by Mesa · 2h 35m · 82% on time, 0.0% cancelled
Total trip 6h 37m, scheduled departure to arrival (Tucson is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 29 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m 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 trip6h 37mORD 05:30 to TUS 10:07, 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.