Flight Salt Lake City International Airport departs from Salt Lake City Salt Lake City International Airport at 16:00 and arrives at Chicago O'Hare International Airport at 20:04.
The flighttime is about 5h 04m. The distance travelled ("as the bird flies"): 2677 Km. So the average speed is roughly 528 Km.
There is an 1 hour time difference between Salt Lake City and Chicago