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 Apr 2026.

LATEST 12-MONTH WINDOW

IAD to PWM averages 87% full

Dulles and Portland: 87% average load factor, 138k passengers, and 158k seats across both directions in the latest 12-month BTS window.

Load factor
87%
Passengers
138k
Seats
158k

Monthly trend

MonthLoadPassengers
May 202589%19k
Jun 202590%18k
Jul 202590%15k
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