Bad weather, especially in the winter, is a primary cause of flights being cancelled or delayed. This weekend we saw a good percentage of flights get cancelled due to snow and cold weather. If you flight is cancelled or delayed, don't count on the airlines to help out. They might provide some food vouchers or they might provide a hotel, but don't count on it. However, there are some steps you can take to minimize the chance you will be on a cancelled flight and there are steps to be taken in case a flight is cancelled or delayed.