Despite Regional Airline Association filings defending the use of regional jets at New York’s congested airports, Wall Street Journal reporter Scott McCartney noted that many of these planes are serving markets that could sustain larger equipment. He pointed out in a recent Middle Seat column that, although RJs are the only profitable way to serve some communities, they also serving Boston, Chicago, St. Louis, Washington, Atlanta, Toronto and Montreal, some of which could be consolidated into larger equipment.