time and there is nothing worse than to be stranded in an airport without the right supplies! if you are traveling longer than expected you will need to be able to keep your food cold. adding some ice to the bags and putting them on top of your food is an easy way to keep your food fresh. the last thing you need is to get sick due to bad food.
pack some protein powder. this takes up little space and will save your life should you need some extra food. all you have to do is add water.
pack at least a couple of plastic forks and spoons. depending on time 