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

Boston → Phoenix via Detroit: arrives on time 73%

  1. 09:15 BOS → 11:25 DTW
    DL 1748 · Delta · 2h 10m · 88% on time, 1.9% cancelled
  2. 1h 23m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 12:48 DTW → 13:55 PHX
    DL 813 · Delta · 4h 07m · 80% on time, 0.7% cancelled

Total trip 7h 40m, scheduled departure to arrival (Phoenix is 3 h behind Boston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection93%The first flight arrived more than 38 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time73%First flight not cancelled (1.9% are) × connection made (93%) × second flight not cancelled (0.7% are) and within 15 minutes (80%).
Total trip7h 40mBOS 09:15 to PHX 13:55, 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.