tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Knoxville → Dulles via Atlanta: arrives on time 76%

  1. 10:26 TYS → 11:30 ATL
    DL 1290 · Delta · 1h 06m · 88% on time, 0.0% cancelled
  2. 3h 11m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 14:41 ATL → 16:35 IAD
    UA 1831 · United · 1h 54m · 78% on time, 0.8% cancelled

Total trip 6h 09m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection99%The first flight arrived more than 101 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 11m layover.
Arrives on time76%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.8% are) and within 15 minutes (78%).
Total trip6h 09mTYS 10:26 to IAD 16:35, 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.