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

Houston → Dulles via Atlanta: arrives on time 79%

  1. 05:40 IAH → 08:43 ATL
    DL 1069 · Delta · 2h 03m · 93% on time, 2.2% cancelled
  2. 1h 07m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:50 ATL → 11:39 IAD
    DL 1444 · Delta · 1h 48m · 88% on time, 4.0% cancelled

Total trip 4h 58m, scheduled departure to arrival (Dulles is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 22 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 07m layover.
Arrives on time79%First flight not cancelled (2.2% are) × connection made (96%) × second flight not cancelled (4.0% are) and within 15 minutes (88%).
Total trip4h 58mIAH 05:40 to IAD 11:39, 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.