routeloads.
Route profile BOI-SEA

BOI → SEA loads

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

LATEST 12-MONTH WINDOW

BOI to SEA averages 77% full

Boise to Seattle: 77% average load factor, 748k passengers, and 974k seats in the latest 12-month BTS window.

Load factor
77%
Passengers
748k
Seats
974k

Monthly trend

MonthLoadPassengers
Apr 202570%56k
May 202580%68k
Jun 202581%70k
Jul 202579%71k
Aug 202576%67k
Sep 202577%64k
Oct 202582%66k
Nov 202577%55k
Dec 202579%62k
Jan 202671%55k
Feb 202675%51k
Mar 202674%63k