7-Hour Nonstop Flights: Southwest Airlines’ 10 Record-Breaking Longest Routes [Map & List]

Southwest Airlines’longest flights by block time take almost seven hours. The thought of spending that much time on a narrowbody twinjet from the Boeing 737 family, and particularly one operated by a low-cost airline, might be more than some passengers can bear. However, others are more than happy to snap up the cheap seats. But where exactly do Southwest’s longest routes go, and why?