routeloads.
Route profile PHL-SEA

PHL → SEA loads

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

LATEST 12-MONTH WINDOW

PHL to SEA averages 87% full

Philadelphia to Seattle: 87% average load factor, 370k passengers, and 425k seats in the latest 12-month BTS window.

Load factor
87%
Passengers
370k
Seats
425k

Monthly trend

MonthLoadPassengers
Apr 202587%26k
May 202590%30k
Jun 202592%39k
Jul 202594%41k
Aug 202595%48k
Sep 202589%40k
Oct 202582%36k
Nov 202579%25k
Dec 202584%28k
Jan 202675%18k
Feb 202675%15k
Mar 202686%23k