Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Tucson → Chicago via Houston: arrives on time 69%
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10:55 TUS → 15:29 IAHUA 4045 · United, flown by Mesa · 2h 34m · 78% on time, 0.0% cancelled
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3h 15m layover in Houston (IAH) · 45 min minimum on one ticket
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18:44 IAH → 21:40 ORDUA 2197 · United · 2h 56m · 69% on time, 0.4% cancelled
Total trip 8h 45m, scheduled departure to arrival (Chicago is 2 h ahead of Tucson). Times are local. Both flew on 36 of the last 56 days.
Makes the connection100%The first flight arrived more than 150 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 15m layover.
Arrives on time69%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.4% are) and within 15 minutes (69%).
Total trip8h 45mTUS 10:55 to ORD 21:40, 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.