routeloads.
Route profile BOS-IAD

BOS → IAD loads

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

LATEST 12-MONTH WINDOW

BOS to IAD averages 86% full

Boston to Dulles: 86% average load factor, 461k passengers, and 534k seats in the latest 12-month BTS window.

Load factor
86%
Passengers
461k
Seats
534k

Monthly trend

MonthLoadPassengers
Apr 202583%45k
May 202589%48k
Jun 202591%44k
Jul 202588%40k
Aug 202590%42k
Sep 202583%41k
Oct 202590%39k
Nov 202586%36k
Dec 202587%36k
Jan 202680%29k
Feb 202679%27k
Mar 202686%36k