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

Boston → Chicago via Atlanta: arrives on time 80%

  1. 05:30 BOS → 08:15 ATL
    DL 2242 · Delta · 2h 45m · 96% on time, 1.2% cancelled
  2. 54m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:09 ATL → 10:09 MDW
    DL 1063 · Delta · 2h 00m · 88% on time, 3.0% cancelled

Total trip 5h 39m, scheduled departure to arrival (Chicago is 1 h behind Boston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection95%The first flight arrived more than 9 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time80%First flight not cancelled (1.2% are) × connection made (95%) × second flight not cancelled (3.0% are) and within 15 minutes (88%).
Total trip5h 39mBOS 05:30 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.