Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Chicago → Buffalo via Detroit: arrives on time 75%

  1. 07:55 MDW → 10:05 DTW
    WN 1775 · Southwest · 1h 10m · 85% on time, 0.0% cancelled
  2. 3h 58m layover in Detroit (DTW) · 90 min minimum on separate tickets
  3. 14:03 DTW → 15:21 BUF
    DL 3642 · Delta, flown by SkyWest · 1h 18m · 75% on time, 0.0% cancelled

Total trip 6h 26m, scheduled departure to arrival (Buffalo is 1 h ahead of Chicago). Times are local. Both flew on 38 of the last 56 days.

Makes the connection100%The first flight arrived more than 148 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 58m layover.
Arrives on time75%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (75%).
Total trip6h 26mMDW 07:55 to BUF 15:21, 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.