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

Bozeman → Boston via Atlanta: arrives on time 75%

  1. 14:21 BZN → 20:14 ATL
    DL 406 · Delta · 3h 56m · 87% on time, 0.8% cancelled
  2. 2h 36m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:50 ATL → 01:31 BOS +1 day
    DL 865 · Delta · 2h 41m · 80% on time, 2.8% cancelled

Total trip 9h 10m, scheduled departure to arrival (Boston is 2 h ahead of Bozeman). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 111 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 36m layover.
Arrives on time75%First flight not cancelled (0.8% are) × connection made (97%) × second flight not cancelled (2.8% are) and within 15 minutes (80%).
Total trip9h 10mBZN 14:21 to BOS 01:31, 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.