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

Boston → Bozeman via Minneapolis: arrives on time 86%

  1. 07:15 BOS → 09:30 MSP
    DL 1138 · Delta · 3h 15m · 90% on time, 2.0% cancelled
  2. 3h 47m layover in Minneapolis (MSP) · 45 min minimum on one ticket
  3. 13:17 MSP → 14:48 BZN
    DL 2946 · Delta · 2h 33m · 88% on time, 0.0% cancelled

Total trip 9h 35m, scheduled departure to arrival (Bozeman is 2 h behind Boston). Times are local. Both flew on 49 of the last 56 days.

Makes the connection99%The first flight arrived more than 182 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 47m layover.
Arrives on time86%First flight not cancelled (2.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip9h 35mBOS 07:15 to BZN 14:48, 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.