Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Houston via Oklahoma City: arrives on time 91%
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12:45 ORD → 15:17 OKCUA 5999 · United, flown by SkyWest · 2h 32m · 83% on time, 0.5% cancelled
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3h 48m layover in Oklahoma City (OKC) · 45 min minimum on one ticket
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19:05 OKC → 20:48 IAHUA 3996 · United, flown by Mesa · 1h 43m · 93% on time, 0.9% cancelled
Total trip 8h 03m, scheduled departure to arrival. Times are local. Both flew on 21 of the last 56 days.
Makes the connection99%The first flight arrived more than 183 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 48m layover.
Arrives on time91%First flight not cancelled (0.5% are) × connection made (99%) × second flight not cancelled (0.9% are) and within 15 minutes (93%).
Total trip8h 03mORD 12:45 to IAH 20:48, 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.