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

Baltimore → San Francisco via Houston: arrives on time 24%

  1. 15:03 BWI → 17:19 IAH
    UA 2095 · United · 3h 16m · 65% on time, 0.0% cancelled
  2. 46m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 18:05 IAH → 20:10 SFO
    UA 1341 · United · 4h 05m · 62% on time, 1.5% cancelled

Total trip 8h 07m, 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 connection40%The first flight arrived more than 1 minutes late on 60% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time24%First flight not cancelled (0.0% are) × connection made (40%) × second flight not cancelled (1.5% are) and within 15 minutes (62%).
Total trip8h 07mBWI 15:03 to SFO 20:10, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.