- Virgin America airlines ranked highest, Frontier lowest, in an independent nutrition survey
- In general, airline meals and snacks are behind the trend in nutritious, low-calorie options
- Taste buds change at high altitudes and you need more salt for the foods to have flavor
(CNN)There's so much to dislike about air travel. There are the long lines and the delays, and of course, there is the bad airplane food. A recent survey found that airlines have a long way to go in making their meals and snacks nutritious and low in calories.