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

Houston → Dulles via Atlanta: arrives on time 83%

  1. 06:00 HOU → 09:05 ATL
    DL 2557 · Delta · 2h 05m · 90% on time, 1.4% cancelled
  2. 3h 12m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 12:17 ATL → 14:02 IAD
    DL 2135 · Delta · 1h 45m · 85% on time, 0.0% cancelled

Total trip 7h 02m, 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 connection99%The first flight arrived more than 147 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 12m layover.
Arrives on time83%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip7h 02mHOU 06:00 to IAD 14:02, 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.