Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Knoxville → Dulles via Chicago: arrives on time 40%
-
13:54 TYS → 14:55 ORDUA 5617 · United, flown by SkyWest · 2h 01m · 63% on time, 2.7% cancelled
-
58m layover in Chicago (ORD) · 45 min minimum on one ticket
-
15:53 ORD → 19:02 IADUA 2437 · United · 2h 09m · 71% on time, 1.6% cancelled
Total trip 5h 08m, scheduled departure to arrival. Times are local. Both flew on 37 of the last 56 days.
Makes the connection59%The first flight arrived more than 13 minutes late on 41% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time40%First flight not cancelled (2.7% are) × connection made (59%) × second flight not cancelled (1.6% are) and within 15 minutes (71%).
Total trip5h 08mTYS 13:54 to IAD 19:02, 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.