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

Chicago → Boise via Seattle: arrives on time 50%

  1. 13:00 ORD → 15:43 SEA
    DL 1564 · Delta · 4h 43m · 65% on time, 2.1% cancelled
  2. 52m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 16:35 SEA → 19:13 BOI
    DL 3688 · Delta, flown by SkyWest · 1h 36m · 86% on time, 0.3% cancelled

Total trip 7h 11m, scheduled departure to arrival (Boise is 1 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection59%The first flight arrived more than 7 minutes late on 41% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time50%First flight not cancelled (2.1% are) × connection made (59%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip7h 11mORD 13:00 to BOI 19:13, 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.