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

Houston → Chattanooga via Detroit: arrives on time 73%

  1. 05:20 IAH → 09:11 DTW
    DL 1389 · Delta · 2h 51m · 90% on time, 1.4% cancelled
  2. 3h 14m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 12:25 DTW → 14:14 CHA
    DL 5117 · Delta, flown by Endeavor · 1h 49m · 76% on time, 0.3% cancelled

Total trip 7h 54m, scheduled departure to arrival (Chattanooga is 1 h ahead of Houston). Times are local. Both flew on 47 of the last 56 days.

Makes the connection99%The first flight arrived more than 149 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 14m layover.
Arrives on time73%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (0.3% are) and within 15 minutes (76%).
Total trip7h 54mIAH 05:20 to CHA 14:14, 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.