Today , it is used for scheduled cargo flights by Alaska Central Express and is sometimes used as an emergency diversion airport for passenger flights crossing the Pacific Ocean .
Cold Bay 's main runway is the fifth - largest in Alaska and was built during World War II .
Today , Cold Bay is used for scheduled cargo flights by Alaska Central Express and is sometimes used as an emergency diversion airport for passenger flights crossing the Pacific Ocean .
Cold Bay 's main runway is the fifth - largest in Alaska and was built during World War II .