routeloads.
Route profile MDW-SEA

MDW ↔ SEA loads

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

LATEST 12-MONTH WINDOW

MDW to SEA averages 85% full

Chicago and Seattle: 85% average load factor, 192k passengers, and 226k seats across both directions in the latest 12-month BTS window.

Load factor
85%
Passengers
192k
Seats
226k

Monthly trend

MonthLoadPassengers
Aug 202594%28k
Sep 202583%24k
Oct 202585%9k
Nov 202583%8k
Dec 202587%9k
Jan 202676%8k
Feb 202676%7k
Mar 202676%15k
Apr 202677%16k
May 202682%18k
Jun 202690%25k
Jul 202694%27k