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

Buffalo → Denver via Chicago: arrives on time 94%

  1. 07:00 BUF → 08:05 ORD
    UA 5820 · United, flown by SkyWest · 2h 05m · 89% on time, 3.4% cancelled
  2. 2h 49m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:54 ORD → 12:45 DEN
    UA 581 · United · 2h 51m · 97% on time, 0.0% cancelled

Total trip 7h 45m, scheduled departure to arrival (Denver is 2 h behind Buffalo). Times are local. Both flew on 29 of the last 56 days.

Makes the connection100%The first flight arrived more than 124 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 49m layover.
Arrives on time94%First flight not cancelled (3.4% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (97%).
Total trip7h 45mBUF 07:00 to DEN 12:45, 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.