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

Seattle → Milwaukee via Boston: arrives on time 83%

  1. 23:15 SEA → 07:35 BOS
    DL 473 · Delta · 5h 20m · 82% on time, 1.4% cancelled
  2. 1h 35m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 09:10 BOS → 10:54 MKE +1 day
    DL 5614 · Delta, flown by Republic · 2h 41m · 89% on time, 2.0% cancelled

Total trip 9h 36m, scheduled departure to arrival (Milwaukee is 2 h ahead of Seattle). Times are local. Both flew on 40 of the last 56 days.

Makes the connection96%The first flight arrived more than 50 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 35m layover.
Arrives on time83%First flight not cancelled (1.4% are) × connection made (96%) × second flight not cancelled (2.0% are) and within 15 minutes (89%).
Total trip9h 36mSEA 23:15 to MKE 10:54, 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.