When it comes to winter weather conditions, one common concern for travelers is the impact of snow on their flights. Snowfall can indeed affect aviation operations, leading to delays, cancellations, and even the closure of airports. But how many inches of snow does it take for a flight to be canceled? In this short introduction, we will explore the factors involved in determining whether will planes fly in snow and shed some light on the threshold at which snowfall can result in flight cancellations.