Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Seattle → Salt Lake City via Portland: arrives on time 96%

  1. 09:30 SEA → 10:39 PDX
    DL 3818 · Delta, flown by SkyWest · 1h 09m · 91% on time, 0.4% cancelled
  2. 3h 51m layover in Portland (PDX) · 90 min minimum on separate tickets
  3. 14:30 PDX → 17:29 SLC
    AS 3120 · Alaska, flown by SkyWest · 1h 59m · 96% on time, 0.0% cancelled

Total trip 6h 59m, scheduled departure to arrival (Salt Lake City is 1 h ahead of Seattle). Times are local. Both flew on 52 of the last 56 days.

Makes the connection100%The first flight arrived more than 141 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 51m layover.
Arrives on time96%First flight not cancelled (0.4% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (96%).
Total trip6h 59mSEA 09:30 to SLC 17:29, 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.