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

Chicago → Miami via Denver: arrives on time 51%

  1. 07:05 ORD → 08:55 DEN
    UA 1217 · United · 2h 50m · 92% on time, 0.0% cancelled
  2. 1h 14m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 10:09 DEN → 16:16 MIA
    UA 1496 · United · 4h 07m · 54% on time, 0.0% cancelled

Total trip 8h 11m, scheduled departure to arrival (Miami is 1 h ahead of Chicago). Times are local. Both flew on 37 of the last 56 days.

Makes the connection94%The first flight arrived more than 29 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time51%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (54%).
Total trip8h 11mORD 07:05 to MIA 16:16, 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.