Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Knoxville → Atlanta via Dulles: arrives on time 65%
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10:00 TYS → 11:45 IADUA 4325 · United, flown by CommuteAir · 1h 45m · 84% on time, 1.4% cancelled
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50m layover in Dulles (IAD) · 45 min minimum on one ticket
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12:35 IAD → 14:34 ATLUA 471 · United · 1h 59m · 86% on time, 0.7% cancelled
Total trip 4h 34m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection77%The first flight arrived more than 5 minutes late on 23% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time65%First flight not cancelled (1.4% are) × connection made (77%) × second flight not cancelled (0.7% are) and within 15 minutes (86%).
Total trip4h 34mTYS 10:00 to ATL 14:34, 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.