Every month, an airline printed advertisement, minus airline name and logo, is displayed for your guessing pleasure on Guess The Airline. The following is the answer to a previous game.
Once again, this was an advertisement from a 1971 issue of The Economist. Are you ready? Scroll down!

How to guess it?
An airline that had merged with Hughes Airwest around 1980 and which no longer exists. Need I say more?
Republic?!?!?!?!!! I swore it was British Airways!