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

Houston → Tucson via Atlanta: arrives on time 83%

  1. 05:40 IAH → 08:43 ATL
    DL 1069 · Delta · 2h 03m · 93% on time, 2.2% cancelled
  2. 2h 52m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 11:35 ATL → 12:19 TUS
    DL 937 · Delta · 3h 44m · 87% on time, 1.6% cancelled

Total trip 8h 39m, scheduled departure to arrival (Tucson is 2 h behind Houston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 127 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 52m layover.
Arrives on time83%First flight not cancelled (2.2% are) × connection made (99%) × second flight not cancelled (1.6% are) and within 15 minutes (87%).
Total trip8h 39mIAH 05:40 to TUS 12:19, 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.