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

Baltimore → San Francisco via Denver: arrives on time 58%

  1. 16:23 BWI → 18:18 DEN
    UA 2012 · United · 3h 55m · 79% on time, 0.3% cancelled
  2. 2h 52m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 21:10 DEN → 22:56 SFO
    UA 2123 · United · 2h 46m · 60% on time, 0.0% cancelled

Total trip 9h 33m, scheduled departure to arrival (San Francisco is 3 h behind Baltimore). Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 127 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 52m layover.
Arrives on time58%First flight not cancelled (0.3% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (60%).
Total trip9h 33mBWI 16:23 to SFO 22:56, 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.