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

Baltimore → Portland via Chicago: arrives on time 40%

  1. 17:32 BWI → 18:55 ORD
    UA 590 · United · 2h 23m · 57% on time, 0.6% cancelled
  2. 1h 00m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 19:55 ORD → 22:30 PDX
    UA 2738 · United · 4h 35m · 69% on time, 0.0% cancelled

Total trip 7h 58m, scheduled departure to arrival (Portland is 3 h behind Baltimore). Times are local. Both flew on 36 of the last 56 days.

Makes the connection57%The first flight arrived more than 15 minutes late on 43% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time40%First flight not cancelled (0.6% are) × connection made (57%) × second flight not cancelled (0.0% are) and within 15 minutes (69%).
Total trip7h 58mBWI 17:32 to PDX 22:30, 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.