Northeastern International Airways: Boston, MA, Fort Lauderdale, FL, Hartford, CT, Orlando, FL, Philadelphia, PA, St. Petersburg, FL, West Palm Beach, FL – Boeing 727-100, Boeing 727-200, Douglas DC-8 Spirit Airlines: Detroit, MI, Fort Lauderdale, FL, Fort Myers, FL, Tampa, FL, West Palm Beach, FL – McDonnell Douglas MD-80, McDonnell Douglas MD-87 United: Chicago O'Hare Airport – Boeing 727-100, Boeing 727-200 USAir: Albany, NY, Baltimore, MD, Charlotte, NC, Fort Lauderdale, FL, Orlando, FL, Pittsburgh, PA, Syracuse, NY, Washington, D.C. National Airport – Boeing 727-200, Boeing 737-200, Boeing 737-300, Boeing 737-400, BAC One-Eleven, Fokker F28, Fokker 100, McDonnell Douglas DC-9-30 Southwest Airlines arrived at Islip in 1999 with nonstop Boeing 737-700s to Baltimore, MD, Chicago Midway Airport, Nashville, TN, and Tampa, FL. Most of the above airlines ceased serving Long Island MacArthur, but between 1999 and 2009 passenger traffic grew with the airport, and now serves about two million passengers a year on three airlines: Southwest Airlines, Frontier Airlines, and Breeze Airways (American Eagle's twice daily service to Philadelphia, PA ceased on September 6, 2022 due to a pilot shortage) A number of commuter and regional airlines served the airport from the late 1970s to the late 1990s, including Allegheny Commuter, Altair Airlines, Atlantic Coast Airlines operating as United Express, Business Express Airlines operating as Delta Connection, Continental Express, Empire Airlines (1976-1985), Mall Airways, Metro Airlines Northeast operating as Trans World Express, Mohawk Airlines (a later commuter air carrier version), NewAir and its predecessor New Haven Airways, Piedmont Regional Airlines operating on behalf of Piedmont Airlines (1948-1989), Pilgrim Airlines, Precision Airlines operating as Northwest Airlink, Ransome Airlines and USAir Express and its successor US Airways Express. According to the OAG, prop types operated by these smaller airlines to the airport included the ATR-42, Beechcraft 99, Beechcraft 1900C, BAe Jetstream 31, de Havilland Canada DHC-6 Twin Otter, de Havilland Canada DHC-7 Dash 7, de Havilland Canada DHC-8 Dash 8, Dornier 228, Embraer EMB-110 Bandeirante, Nord 262, Piper Navajo, Saab 340, Short 330, Short 360 and Swearingen Metro. In 1994 Continental Express was operating ATR-42s nonstop between the airport and the Continental Airlines hub at Newark Airport. By 1999 Atlantic Southeast Airlines (ASA) flying as Delta Connection was operating Canadair CRJ-200s nonstop to the Delta Air Lines hub in Atlanta while Comair, also flying as Delta Connection, was operating Canadair CRJ-200s nonstop to Delta's hub in Cincinnati. Also in 1999, Continental Express was flying