and cancellations. the challenge for the nation s airlines, navigating a summer of weather extremes, record heat, rain, tornadoes, lightning, and historic flooding. in st. pete clear water, four people were injured after an allegiant air flight hit turbulence. . we have several head injuries and one ankle. reporter: now micro forecasting to the zip code to help airlines predict delays, and could predict the severe injury-causing turbulence we have seen in recent years. 431 laguardia has been caught in a ground stop. reporter: the a.i. program is called gale. is my flight going to leave on time from laguardia airport this afternoon? reporter: the company is tomorrow io. overseeing the suspected weather forecast for the flight at that exact time over the course of the day. reporter: gale uses satellites and thousands of other data points, sensors on