If memory serves, the Courtyard has a shuttle which is likely more convenient than walking from the Skybridge to the terminal. You have to go through a parking lot, up several flights of stairs (or an elevator), cross the skybridge to the light rail station, then walk from the light rail station alongside the largest parking garage in North America, and then make your way to the terminal, it's quite a long walk (though not by NYC standards), and it's all outdoors, so likely cold and rainy this time of year.