routeloads.
Route profile DCA-SEA

DCA ↔ SEA loads

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

LATEST 12-MONTH WINDOW

DCA to SEA averages 84% full

Washington and Seattle: 84% average load factor, 293k passengers, and 351k seats across both directions in the latest 12-month BTS window.

Load factor
84%
Passengers
293k
Seats
351k

Monthly trend

MonthLoadPassengers
May 202584%27k
Jun 202587%26k
Jul 202587%25k
Aug 202592%27k
Sep 202582%24k
Oct 202581%24k
Nov 202579%23k
Dec 202585%25k
Jan 202676%22k
Feb 202677%21k
Mar 202686%25k
Apr 202686%25k