routeloads.
Route profile IAD-LIS

IAD → LIS loads

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

LATEST 12-MONTH WINDOW

IAD to LIS averages 89% full

Dulles to Lisbon: 89% average load factor, 284k passengers, and 318k seats in the latest 12-month BTS window.

Load factor
89%
Passengers
284k
Seats
318k

Monthly trend

MonthLoadPassengers
Apr 202589%24k
May 202591%28k
Jun 202590%30k
Jul 202590%31k
Aug 202591%31k
Sep 202591%30k
Oct 202590%29k
Nov 202589%20k
Dec 202584%20k
Jan 202685%10k
Feb 202682%9k
Mar 202687%21k