Chances are, you can blame the weather if your flight plans get upended during the holiday travel rush.

Weather is the largest cause of air traffic troubles in the US and accounts for 75% of all reported delays, according to the Federal Aviation Administration.

But not all weather is created equal when it comes to flight disruptions. Here are the four types of weather most likely to change up your itinerary, ordered from least to most-likely, according to Kyle Struckmann, the head aviation meteorologist for the National Weather Service.