The data found that New York is the second-most likely city to face flight delays due to drone activity. Between January and September 2025, 76 drone sightings around the city’s airports led to flight delays. Philadelphia, Pennsylvania, is the fourth-most likely city to face flight delays due to drone sightings. According to the data, there were 749 flight delays caused by drone activity in airports between January and September 2025. In Florida, there were a total of 56 flight delays caused by illegal drones, which is the fifth-highest figure nationwide.