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

Phoenix → Boston via Atlanta: arrives on time 74%

  1. 13:22 PHX → 20:15 ATL
    DL 796 · Delta · 3h 54m · 81% on time, 0.6% cancelled
  2. 2h 35m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:50 ATL → 01:31 BOS +1 day
    DL 865 · Delta · 2h 41m · 80% on time, 2.8% cancelled

Total trip 9h 09m, scheduled departure to arrival (Boston is 3 h ahead of Phoenix). Times are local. Both flew on 56 of the last 56 days.

Makes the connection95%The first flight arrived more than 110 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 35m layover.
Arrives on time74%First flight not cancelled (0.6% are) × connection made (95%) × second flight not cancelled (2.8% are) and within 15 minutes (80%).
Total trip9h 09mPHX 13:22 to BOS 01:31, 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.