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

Chicago → Boise via Atlanta: arrives on time 85%

  1. 05:30 ORD → 08:33 ATL
    DL 1264 · Delta · 2h 03m · 91% on time, 1.6% cancelled
  2. 1h 57m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 10:30 ATL → 12:54 BOI
    DL 874 · Delta · 4h 24m · 91% on time, 1.6% cancelled

Total trip 8h 24m, scheduled departure to arrival (Boise is 1 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 72 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 57m layover.
Arrives on time85%First flight not cancelled (1.6% are) × connection made (97%) × second flight not cancelled (1.6% are) and within 15 minutes (91%).
Total trip8h 24mORD 05:30 to BOI 12:54, 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.