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

Milwaukee → Boston via Atlanta: arrives on time 54%

  1. 18:40 MKE → 21:52 ATL
    DL 1206 · Delta · 2h 15m · 73% on time, 1.4% cancelled
  2. 58m 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 5h 51m, scheduled departure to arrival (Boston is 1 h ahead of Milwaukee). Times are local. Both flew on 55 of the last 56 days.

Makes the connection70%The first flight arrived more than 13 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time54%First flight not cancelled (1.4% are) × connection made (70%) × second flight not cancelled (2.8% are) and within 15 minutes (80%).
Total trip5h 51mMKE 18:40 to BOS 01:31, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.