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

Boise → Chicago via Atlanta: arrives on time 85%

  1. 23:10 BOI → 05:16 ATL
    DL 635 · Delta · 4h 06m · 78% on time, 0.0% cancelled
  2. 3h 53m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:09 ATL → 10:09 MDW +1 day
    DL 1063 · Delta · 2h 00m · 88% on time, 3.0% cancelled

Total trip 9h 59m, scheduled departure to arrival (Chicago is 1 h ahead of Boise). Times are local. Both flew on 39 of the last 56 days.

Makes the connection100%The first flight arrived more than 188 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 53m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (3.0% are) and within 15 minutes (88%).
Total trip9h 59mBOI 23:10 to MDW 10:09, 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.