tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Atlanta → Boston via St Louis: arrives on time 87%

  1. 06:50 ATL → 07:30 STL
    WN 3937 · Southwest · 1h 40m · 96% on time, 0.0% cancelled
  2. 2h 09m layover in St Louis (STL) · 90 min minimum on separate tickets
  3. 09:39 STL → 13:24 BOS
    AA 3814 · American, flown by Envoy · 2h 45m · 90% on time, 3.8% cancelled

Total trip 6h 34m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.

Makes the connection100%The first flight arrived more than 39 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 09m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (3.8% are) and within 15 minutes (90%).
Total trip6h 34mATL 06:50 to BOS 13:24, 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.