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

Seattle → Hebron via Boston: arrives on time 42%

  1. 11:15 SEA → 19:43 BOS
    DL 438 · Delta · 5h 26m · 65% on time, 0.0% cancelled
  2. 1h 02m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 20:45 BOS → 23:16 CVG
    DL 5801 · Delta, flown by Republic · 2h 31m · 69% on time, 5.5% cancelled

Total trip 9h 01m, scheduled departure to arrival (Hebron is 3 h ahead of Seattle). Times are local. Both flew on 42 of the last 56 days.

Makes the connection65%The first flight arrived more than 17 minutes late on 35% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time42%First flight not cancelled (0.0% are) × connection made (65%) × second flight not cancelled (5.5% are) and within 15 minutes (69%).
Total trip9h 01mSEA 11:15 to CVG 23:16, 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.