This page will list airports with scheduled passenger service in the U.S. by state.
Summary: Total: 2 commercial
GON Groton/New London, Groton-New London (41 20N, 72 03W, 10ft) (no service currently)
BDL Hartford, Bradley Intl Airport (41 56N, 72 41W, 180ft) Air Canada Jazz, American/American Eagle/American Connection/Trans-States (TSA), America West, Continental/Continental Express, Delta, Midwest Connect/Skyway, Northwest, Southwest, United/United Express/Trans-States (TSA), US Air/US Air Express/Colgan Air/Mesa, USA 3000 (seasonal)
HVN New Haven, NEW HAVEN/TWEED (41 16N, 72 53W, 13ft) US Air Express/Piedmont
Airlines: Air Canada Jazz American Airlines/American Eagle America West Boston-Maine Airways Colgan Air Comair Continental Airlines Delta Airlines Mesa Air Group Midwest Airlines Northwest Airlines Piedmont Airlines Skyway Southwest Airlines Trans-States Airlines (TSA) United Airlines US Airways USA 3000 Airlines