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

Houston → Dulles via Atlanta: arrives on time 70%

  1. 10:16 HOU → 13:20 ATL
    DL 1509 · Delta · 2h 04m · 88% on time, 3.0% cancelled
  2. 1h 39m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 14:59 ATL → 16:47 IAD
    DL 1695 · Delta · 1h 48m · 78% on time, 2.3% cancelled

Total trip 5h 31m, scheduled departure to arrival (Dulles is 1 h ahead of Houston). Times are local. Both flew on 48 of the last 56 days.

Makes the connection95%The first flight arrived more than 54 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 39m layover.
Arrives on time70%First flight not cancelled (3.0% are) × connection made (95%) × second flight not cancelled (2.3% are) and within 15 minutes (78%).
Total trip5h 31mHOU 10:16 to IAD 16:47, 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.