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

Tucson → Houston via Atlanta: arrives on time 71%

  1. 13:29 TUS → 20:11 ATL
    DL 937 · Delta · 3h 42m · 87% on time, 1.6% cancelled
  2. 2h 33m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:44 ATL → 23:56 IAH
    DL 1601 · Delta · 2h 12m · 76% on time, 2.5% cancelled

Total trip 8h 27m, scheduled departure to arrival (Houston is 2 h ahead of Tucson). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 108 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 33m layover.
Arrives on time71%First flight not cancelled (1.6% are) × connection made (97%) × second flight not cancelled (2.5% are) and within 15 minutes (76%).
Total trip8h 27mTUS 13:29 to IAH 23:56, 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.