Consider the following premises. It is late if and only if Sarah is not taking a plane. If Sarah takes a plane, then it is not windy. It is windy. Can we infer the following from them? It is late.
 From the fact that if Sarah takes a plane, then it is not windy, and that it is windy we can infer that Sarah is not taking a plane. From the fact that it is late if and only if Sarah is not taking a plane we can infer that if Sarah doesn't take a plane, then it is late. Finally, from the fact that if Sarah doesn't take a plane, then it is late, and that Sarah is not taking a plane we can infer that it is late. Therefore, the answer is yes.