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

Chicago → Buffalo via Minneapolis: arrives on time 81%

  1. 10:25 ORD → 12:12 MSP
    UA 215 · United · 1h 47m · 79% on time, 2.9% cancelled
  2. 3h 10m layover in Minneapolis (MSP) · 90 min minimum on separate tickets
  3. 15:22 MSP → 18:27 BUF
    DL 1749 · Delta · 2h 05m · 85% on time, 1.9% cancelled

Total trip 7h 02m, scheduled departure to arrival (Buffalo is 1 h ahead of Chicago). Times are local. Both flew on 21 of the last 56 days.

Makes the connection100%The first flight arrived more than 100 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 10m layover.
Arrives on time81%First flight not cancelled (2.9% are) × connection made (100%) × second flight not cancelled (1.9% are) and within 15 minutes (85%).
Total trip7h 02mORD 10:25 to BUF 18:27, 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.