Airlines Put Passengers on Forced Diets
By MARK BITTMAN with SUSAN CATTO

FEW people go six or eight hours between meals without a substantial snack, but it has become a not uncommon occurrence on a day involving domestic air travel of significant distance. For in the weeks following Sept. 11, most major airlines drastically scaled back meal service, especially on routes they consider noncompetitive.

http://www.nytimes.com/2002/02/10/travel/AIRFOOD.html