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

Houston → Washington via Atlanta: arrives on time 55%

  1. 10:16 HOU → 13:20 ATL
    DL 1509 · Delta · 2h 04m · 88% on time, 3.0% cancelled
  2. 4h 35m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 17:55 ATL → 19:48 DCA
    DL 832 · Delta · 1h 53m · 59% on time, 3.7% cancelled

Total trip 8h 32m, scheduled departure to arrival (Washington is 1 h ahead of Houston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 230 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 35m layover.
Arrives on time55%First flight not cancelled (3.0% are) × connection made (99%) × second flight not cancelled (3.7% are) and within 15 minutes (59%).
Total trip8h 32mHOU 10:16 to DCA 19:48, 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.