Trans World Airlines and Pan Am are fading, in part because they lack extensive domestic routes to feed international flights.

World Airlines has been traversing the globe for 40 years, and should be "flying over the North Atlantic for a good many more."

At its peak in the late 1960s and early 1970s, Pan Am advertised under the slogan, the "World's Most Experienced Airline".

A visibly disbelieving medical officer finally cleared her to board a DC-8 of World Airlines, under government charter, for the flight to Frankfurt am Main.

But Trans World Airlines, has gone much further, adopting a policy that raises issues of employees' right to privacy.

Empires of the Sky: The Politics, Contest and Cartels of World Airlines.

Taesa expects to carry two million passengers this year - as many as a carrier like Sabena Belgian World Airlines.

An agreement at Sabena Belgian World Airlines fell apart.

Sabena Belgian World Airlines: (800) 955-2000.

Mayan World Airlines is a former airline based in Guatemala.