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

Dulles → Houston via Atlanta: arrives on time 68%

  1. 15:02 IAD → 16:54 ATL
    DL 2135 · Delta · 1h 52m · 73% on time, 0.0% cancelled
  2. 3h 41m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 20:35 ATL → 21:43 HOU
    DL 2051 · Delta · 2h 08m · 73% on time, 0.8% cancelled

Total trip 7h 41m, scheduled departure to arrival (Houston is 1 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection93%The first flight arrived more than 176 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 3h 41m layover.
Arrives on time68%First flight not cancelled (0.0% are) × connection made (93%) × second flight not cancelled (0.8% are) and within 15 minutes (73%).
Total trip7h 41mIAD 15:02 to HOU 21:43, 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.