FAQ: Weather Delay Federal Aviation Administration

What is the largest cause of delay in the National Airspace System? Which airports have the worst weather-related delay? What type of weather causes the most delay? What happens when en route flights encounter thunderstorms? What happens if thunderstorms prevent landing at an airport? How far in advance do traffic flow plann

FAA system outage causes thousands of flight delays and

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GFA Help

Flight delayed or canceled? Chances are, it's because of weather

Why is my flight delayed? Weather, software crashes, staff and more