Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Knoxville → Houston via Dulles: arrives on time 69%
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13:35 TYS → 15:20 IADUA 4848 · United, flown by CommuteAir · 1h 45m · 81% on time, 1.4% cancelled
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2h 39m layover in Dulles (IAD) · 45 min minimum on one ticket
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17:59 IAD → 20:25 IAHUA 2217 · United · 3h 26m · 72% on time, 0.3% cancelled
Total trip 7h 50m, scheduled departure to arrival (Houston is 1 h behind Knoxville). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 114 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 39m layover.
Arrives on time69%First flight not cancelled (1.4% are) × connection made (97%) × second flight not cancelled (0.3% are) and within 15 minutes (72%).
Total trip7h 50mTYS 13:35 to IAH 20:25, 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.