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

San Francisco → Pittsburgh via Denver: arrives on time 56%

  1. 12:43 SFO → 16:35 DEN
    UA 540 · United · 2h 52m · 77% on time, 0.0% cancelled
  2. 1h 03m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 17:38 DEN → 22:45 PIT
    UA 2155 · United · 3h 07m · 71% on time, 0.0% cancelled

Total trip 7h 02m, scheduled departure to arrival (Pittsburgh is 3 h ahead of San Francisco). Times are local. Both flew on 55 of the last 56 days.

Makes the connection79%The first flight arrived more than 18 minutes late on 21% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time56%First flight not cancelled (0.0% are) × connection made (79%) × second flight not cancelled (0.0% are) and within 15 minutes (71%).
Total trip7h 02mSFO 12:43 to PIT 22:45, 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.