Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Knoxville → Houston via Dulles: arrives on time 81%
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05:45 TYS → 07:30 IADUA 4311 · United, flown by CommuteAir · 1h 45m · 91% on time, 0.0% cancelled
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1h 10m layover in Dulles (IAD) · 45 min minimum on one ticket
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08:40 IAD → 10:59 IAHUA 1524 · United · 3h 19m · 89% on time, 0.6% cancelled
Total trip 6h 14m, scheduled departure to arrival (Houston is 1 h behind Knoxville). Times are local. Both flew on 56 of the last 56 days.
Makes the connection92%The first flight arrived more than 25 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (0.6% are) and within 15 minutes (89%).
Total trip6h 14mTYS 05:45 to IAH 10:59, 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.