routeloads.
Explore the map
Route profile BOS-MDW

BOS ↔ MDW loads

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

LATEST 12-MONTH WINDOW

BOS to MDW averages 86% full

Boston and Chicago: 86% average load factor, 388k passengers, and 452k seats across both directions in the latest 12-month BTS window.

Load factor
86%
Passengers
388k
Seats
452k

Monthly trend

MonthLoadPassengers
Aug 202594%42k
Sep 202587%37k
Oct 202589%41k
Nov 202586%25k
Dec 202583%26k
Jan 202674%17k
Feb 202676%15k
Mar 202682%30k
Apr 202683%33k
May 202687%37k
Jun 202686%41k
Jul 202690%45k