1 min readAn average NFL game lasts more than 3 hours.NASAFeb 03, 2017 Image Article An average NFL game lasts more than 3 hours. An average NFL game lasts more than 3 hours. Traveling at 17,500 mph, the space station crew will see 2 sunrises and 2 sunsets in that time. They see 16 sunrises and sunsets each day.