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

Boston → Miami via St Louis: arrives on time 85%

  1. 07:00 BOS → 09:09 STL
    AA 3814 · American, flown by Envoy · 3h 09m · 90% on time, 0.0% cancelled
  2. 1h 51m layover in St Louis (STL) · 45 min minimum on one ticket
  3. 11:00 STL → 14:46 MIA
    AA 3954 · American, flown by Envoy · 2h 46m · 90% on time, 0.0% cancelled

Total trip 7h 46m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.

Makes the connection94%The first flight arrived more than 66 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 51m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip7h 46mBOS 07:00 to MIA 14:46, 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.