tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Huntsville → Dulles via Atlanta: arrives on time 54%

  1. 19:46 HSV → 21:59 ATL
    DL 3171 · Delta · 1h 13m · 78% on time, 3.5% cancelled
  2. 54m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:53 ATL → 00:44 IAD +1 day
    DL 2549 · Delta · 1h 51m · 75% on time, 2.1% cancelled

Total trip 3h 58m, scheduled departure to arrival (Dulles is 1 h ahead of Huntsville). Times are local. Both flew on 28 of the last 56 days.

Makes the connection76%The first flight arrived more than 9 minutes late on 24% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time54%First flight not cancelled (3.5% are) × connection made (76%) × second flight not cancelled (2.1% are) and within 15 minutes (75%).
Total trip3h 58mHSV 19:46 to IAD 00:44, 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.