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

Boston → Miami via Chicago: arrives on time 80%

  1. 05:10 BOS → 07:04 ORD
    AA 3324 · American · 2h 54m · 92% on time, 2.2% cancelled
  2. 3h 00m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:04 ORD → 14:16 MIA
    AA 1474 · American · 3h 13m · 82% on time, 0.0% cancelled

Total trip 9h 07m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 135 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 00m layover.
Arrives on time80%First flight not cancelled (2.2% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (82%).
Total trip9h 07mBOS 05:10 to MIA 14:16, 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.