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

Houston → Charleston via Atlanta: arrives on time 61%

  1. 18:34 IAH → 21:54 ATL
    DL 1223 · Delta · 2h 20m · 72% on time, 3.7% cancelled
  2. 1h 16m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 23:10 ATL → 00:36 CHS +1 day
    DL 2850 · Delta · 1h 16m · 82% on time, 1.9% cancelled

Total trip 4h 52m, scheduled departure to arrival (Charleston is 1 h ahead of Houston). Times are local. Both flew on 36 of the last 56 days.

Makes the connection80%The first flight arrived more than 31 minutes late on 20% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time61%First flight not cancelled (3.7% are) × connection made (80%) × second flight not cancelled (1.9% are) and within 15 minutes (82%).
Total trip4h 52mIAH 18:34 to CHS 00:36, 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.