routeloads.
Route profile BOS-SLC

BOS → SLC loads

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

LATEST 12-MONTH WINDOW

BOS to SLC averages 85% full

Boston to Salt Lake City: 85% average load factor, 390k passengers, and 460k seats in the latest 12-month BTS window.

Load factor
85%
Passengers
390k
Seats
460k

Monthly trend

MonthLoadPassengers
Apr 202582%29k
May 202587%31k
Jun 202590%36k
Jul 202591%40k
Aug 202590%38k
Sep 202587%31k
Oct 202589%32k
Nov 202576%28k
Dec 202580%31k
Jan 202681%26k
Feb 202679%29k
Mar 202684%39k