Flight La Guardia Airport departs from New York La Guardia Airport at 16:35 and arrives at Chicago Midway International Airport at 18:00.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 1543 Km. So the average speed is roughly 638 Km.
There is an 1 hour time difference between New York and Chicago
NZD
