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

Dulles → Knoxville via Atlanta: arrives on time 72%

  1. 07:30 IAD → 09:44 ATL
    F9 4707 · Frontier · 2h 14m · 71% on time, 0.9% cancelled
  2. 2h 33m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 12:17 ATL → 13:16 TYS
    DL 4724 · Delta, flown by Endeavor · 1h 02m · 80% on time, 0.0% cancelled

Total trip 5h 49m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection91%The first flight arrived more than 63 minutes late on 9% of the days it flew: too late for the 90-minute minimum connection on a 2h 33m layover.
Arrives on time72%First flight not cancelled (0.9% are) × connection made (91%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip5h 49mIAD 07:30 to TYS 13:16, 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.