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

Seattle → Cleveland via Boston: arrives on time 65%

  1. 23:15 SEA → 07:35 BOS
    DL 473 · Delta · 5h 20m · 82% on time, 1.4% cancelled
  2. 50m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 08:25 BOS → 10:35 CLE +1 day
    DL 5674 · Delta, flown by Republic · 2h 11m · 94% on time, 1.0% cancelled

Total trip 8h 21m, scheduled departure to arrival (Cleveland is 3 h ahead of Seattle). Times are local. Both flew on 46 of the last 56 days.

Makes the connection71%The first flight arrived more than 5 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time65%First flight not cancelled (1.4% are) × connection made (71%) × second flight not cancelled (1.0% are) and within 15 minutes (94%).
Total trip8h 21mSEA 23:15 to CLE 10:35, 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.