This article is from the Vegetarianism FAQ, by firstname.lastname@example.org (Michael Traub) with numerous contributions by others.
Most airlines now serve vegetarian meals. Call the airline ahead
of time to make your request, and it is suggested that you confirm
your meal twice. For more information have a look, in Subject 3
below, at The World Guide to Vegetarianism. The '/other2' file
contains details of individual airlines.