Flight La Guardia Airport departs from New York La Guardia Airport at 11:25 and arrives at Denver International Airport at 16:22.The flight has a short stop at Chicago. The flighttime is about 6h 57m. The distance travelled ("as the bird flies"): 3425 Km. So the average speed is roughly 493 Km. There is an 2 hour time difference between New York and Denver