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

Houston → Washington via Atlanta: arrives on time 67%

  1. 07:02 IAH → 10:05 ATL
    DL 1315 · Delta · 2h 03m · 88% on time, 1.6% cancelled
  2. 55m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 11:00 ATL → 12:42 DCA
    DL 737 · Delta · 1h 42m · 81% on time, 2.2% cancelled

Total trip 4h 40m, scheduled departure to arrival (Washington is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection86%The first flight arrived more than 10 minutes late on 14% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time67%First flight not cancelled (1.6% are) × connection made (86%) × second flight not cancelled (2.2% are) and within 15 minutes (81%).
Total trip4h 40mIAH 07:02 to DCA 12:42, 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.