How long was the longest flight without landing?

In 1958-1959, pilots Robert Timm and John Cook made history by setting the record for the longest flight, which lasted 64 days, 22 hours and 19 minutes. Their single-engine Cessna 172 flew 240,000 km without landing. They landed only on February 7, 1959, flying over Las Vegas and approaching the limit of human capabilities, writes IFLScience.

This epic stunt was staged to promote the Hacienda Hotel and Casino, which opened in Las Vegas. Robert Timm, a former World War II bomber pilot, was assigned the mission. He upgraded the Cessna 172 with an additional 360-gallon fuel tank and created a truck-based refueling method that…