routeloads.
Route profile IAD-PWM

IAD ↔ PWM loads

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

LATEST 12-MONTH WINDOW

IAD to PWM averages 81% full

Dulles and Portland: 81% average load factor, 132k passengers, and 164k seats across both directions in the latest 12-month BTS window.

Load factor
81%
Passengers
132k
Seats
164k

Monthly trend

MonthLoadPassengers
Aug 202591%15k
Sep 202587%12k
Oct 202585%14k
Nov 202577%10k
Dec 202586%8k
Jan 202685%6k
Feb 202690%6k
Mar 202688%6k
Apr 202681%7k
May 202672%14k
Jun 202669%16k
Jul 202679%17k