Once upon a time I took an airplane I went to San Diego, California That was a three hour trip I've enjoyed myself flying in the air Northwest Airlines Northwest Airlines Northwest Airlines Northwest Airlines Northwest Airlines While I was in the air I had fun The airplane was at an altitude of 35,000 feet It was a long trip It was a fun flight Northwest Airlines Northwest Airlines Northwest Airlines Northwest Airlines Northwest Airlines The people on the airplane were nice I chatted with them a lot I was having a fun time It was a good flight Northwest Airlines Northwest Airlines Northwest Airlines Northwest Airlines Northwest Airlines Rock over London, rock on Chicago American Airlines - we mean business in Chicago