routeloads.
Route profile PDX-SEA

PDX → SEA loads

How full flights are between Portland and Seattle, using the latest 12 months of DOT T-100 data ending Mar 2026.

LATEST 12-MONTH WINDOW

PDX to SEA averages 79% full

Portland to Seattle: 79% average load factor, 991k passengers, and 1.3M seats in the latest 12-month BTS window.

Load factor
79%
Passengers
991k
Seats
1.3M

Monthly trend

MonthLoadPassengers
Apr 202579%83k
May 202579%85k
Jun 202579%87k
Jul 202582%94k
Aug 202581%91k
Sep 202580%85k
Oct 202581%86k
Nov 202578%80k
Dec 202577%78k
Jan 202674%73k
Feb 202677%68k
Mar 202676%80k