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

Chicago → Boise via Seattle: arrives on time 85%

  1. 06:55 ORD → 09:31 SEA
    DL 2041 · Delta · 4h 36m · 74% on time, 1.4% cancelled
  2. 2h 59m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 12:30 SEA → 15:12 BOI
    DL 3959 · Delta, flown by SkyWest · 1h 42m · 88% on time, 0.0% cancelled

Total trip 9h 17m, scheduled departure to arrival (Boise is 1 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection98%The first flight arrived more than 134 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 59m layover.
Arrives on time85%First flight not cancelled (1.4% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip9h 17mORD 06:55 to BOI 15:12, 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.