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

Boston → Phoenix via Charlotte: arrives on time 41%

  1. 11:20 BOS → 13:45 CLT
    AA 3161 · American · 2h 25m · 86% on time, 1.4% cancelled
  2. 47m layover in Charlotte (CLT) · 45 min minimum on one ticket
  3. 14:32 CLT → 15:56 PHX
    AA 3220 · American · 4h 19m · 61% on time, 0.8% cancelled

Total trip 7h 31m, scheduled departure to arrival (Phoenix is 3 h behind Boston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection70%The first flight arrived more than 2 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time41%First flight not cancelled (1.4% are) × connection made (70%) × second flight not cancelled (0.8% are) and within 15 minutes (61%).
Total trip7h 31mBOS 11:20 to PHX 15:56, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.