Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Las Vegas via Houston: arrives on time 83%
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08:51 ORD → 11:51 IAHUA 535 · United · 3h 00m · 80% on time, 0.0% cancelled
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2h 29m layover in Houston (IAH) · 45 min minimum on one ticket
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14:20 IAH → 15:37 LASUA 1971 · United · 3h 17m · 85% on time, 0.0% cancelled
Total trip 8h 46m, scheduled departure to arrival (Las Vegas is 2 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.
Makes the connection99%The first flight arrived more than 104 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 29m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip8h 46mORD 08:51 to LAS 15:37, 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.