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

Portland → Baltimore via Detroit: arrives on time 75%

  1. 11:55 PDX → 19:08 DTW
    DL 2171 · Delta · 4h 13m · 83% on time, 0.0% cancelled
  2. 2h 32m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 21:40 DTW → 23:18 BWI
    DL 2715 · Delta · 1h 38m · 78% on time, 2.8% cancelled

Total trip 8h 23m, scheduled departure to arrival (Baltimore is 3 h ahead of Portland). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 107 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 32m layover.
Arrives on time75%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (2.8% are) and within 15 minutes (78%).
Total trip8h 23mPDX 11:55 to BWI 23:18, 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.