Look at that beautiful sunset over the Phoenix Skyline from the westbound PHX Sky Train® heading to the 24th Street Station!! Today, the final stage of the PHX Sky Train® open. The trains run continuously in both directions 24 hours a day, seven days a week and arrive as frequently as every three minutes. They travel at an average speed of 23 mph, but can go up to 38 mph. In total, it takes about 13 minutes for the trains to travel the five miles from the 44th Street PHX Sky Train® Station to th