Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Knoxville → Houston via Chicago: arrives on time 57%
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11:29 TYS → 12:31 ORDAA 6445 · American, flown by SkyWest · 2h 03m · 75% on time, 2.8% cancelled
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58m layover in Chicago (ORD) · 45 min minimum on one ticket
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13:29 ORD → 16:27 IAHAA 4426 · American, flown by Republic · 2h 56m · 83% on time, 3.2% cancelled
Total trip 5h 56m, scheduled departure to arrival (Houston is 1 h behind Knoxville). Times are local. Both flew on 48 of the last 56 days.
Makes the connection72%The first flight arrived more than 13 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time57%First flight not cancelled (2.8% are) × connection made (72%) × second flight not cancelled (3.2% are) and within 15 minutes (83%).
Total trip5h 56mTYS 11:29 to IAH 16:27, 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.