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

Chicago → Buffalo via Atlanta: arrives on time 64%

  1. 17:10 MDW → 20:22 ATL
    DL 1728 · Delta · 2h 10m · 74% on time, 2.1% cancelled
  2. 1h 27m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:49 ATL → 23:59 BUF
    DL 2334 · Delta · 2h 10m · 77% on time, 1.9% cancelled

Total trip 5h 49m, scheduled departure to arrival (Buffalo is 1 h ahead of Chicago). Times are local. Both flew on 43 of the last 56 days.

Makes the connection86%The first flight arrived more than 42 minutes late on 14% of the days it flew: too late for the 45-minute minimum connection on a 1h 27m layover.
Arrives on time64%First flight not cancelled (2.1% are) × connection made (86%) × second flight not cancelled (1.9% are) and within 15 minutes (77%).
Total trip5h 49mMDW 17:10 to BUF 23:59, 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.