Your flight time to Chicago, Illinois will be determined mostly by your departure state, among other considerations. The flight time from the west coast, notably Seattle/Tacoma International (SEA), is about 4 hours. Those flying out of Los Angeles International Airport will have a similar delay (LAX). A flight from JFK International Airport in New York to Chicago should take roughly 3 hours due to the city's proximity to the east coast. Passengers flying into Chicago from the south, such as…