790, more than 200 are leased.
Three of the planes were American Airlines flights and one was from United Airlines,
American Airlines and United Airlines.
There are many airlines that primarily use Boeing 757 planes. These airlines include Delta Airlines, United Airlines, American Airlines and UPS Airlines.
There were four planes. The names:United Airlines flight 11, United Airlines flight 93, American Airlines flight 175, and American Airlines flight 77.
American Airlines and United Airlines were the two airlines that had planes hijacked on 9/11.
American Airlines Flight 11United Airlines Flight 175.American Airlines Flight 77.United Airlines Flight 93
I believe they were from American Airlines and United Airlines.
The answer depends on southwest of WHAT and since you have not bothered to provide that crucial bit of information, it is not possible to give a more useful answer.
american airlines
Some airlines that offer lay flat seats on their planes include Delta Air Lines, American Airlines, United Airlines, and British Airways.
United Airlines, and American Airlines each lost 2 planes to the attacks on 9/11.
Four planes- American Airlines Flight 11 (crashed into the north tower), United Airlines Flight 175 (south tower), American Airlines Flight 77 (Pentagon) and United Airlines Flight 93 (crashed in a field in Pennsylvania after passengers fought the hijackers and attempted to take back control of the plane).