routeloads.
Route profile IAD-SLC

IAD ↔ SLC loads

How full flights are between Dulles and Salt Lake City, both directions combined, using the latest 12 months of DOT T-100 data ending Apr 2026.

LATEST 12-MONTH WINDOW

IAD to SLC averages 84% full

Dulles and Salt Lake City: 84% average load factor, 186k passengers, and 222k seats across both directions in the latest 12-month BTS window.

Load factor
84%
Passengers
186k
Seats
222k

Monthly trend

MonthLoadPassengers
May 202582%17k
Jun 202591%17k
Jul 202589%18k
Aug 202588%17k
Sep 202588%16k
Oct 202585%16k
Nov 202577%14k
Dec 202582%12k
Jan 202678%14k
Feb 202684%13k
Mar 202684%16k
Apr 202681%16k