routeloads.
Route profile BOS-STL

BOS ↔ STL loads

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

LATEST 12-MONTH WINDOW

BOS to STL averages 78% full

Boston and St Louis: 78% average load factor, 323k passengers, and 413k seats across both directions in the latest 12-month BTS window.

Load factor
78%
Passengers
323k
Seats
413k

Monthly trend

MonthLoadPassengers
Jul 202584%32k
Aug 202587%33k
Sep 202580%30k
Oct 202587%34k
Nov 202578%29k
Dec 202576%29k
Jan 202667%15k
Feb 202663%13k
Mar 202672%21k
Apr 202674%26k
May 202678%29k
Jun 202679%30k