routeloads.
Route profile SEA-SLC

SEA → SLC loads

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

LATEST 12-MONTH WINDOW

SEA to SLC averages 82% full

Seattle to Salt Lake City: 82% average load factor, 1.1M passengers, and 1.3M seats in the latest 12-month BTS window.

Load factor
82%
Passengers
1.1M
Seats
1.3M

Monthly trend

MonthLoadPassengers
Apr 202581%81k
May 202587%103k
Jun 202588%106k
Jul 202587%110k
Aug 202586%112k
Sep 202579%100k
Oct 202579%94k
Nov 202577%73k
Dec 202582%82k
Jan 202677%79k
Feb 202677%78k
Mar 202680%89k