In 1941, after the completion of runway 14/32 (now 15/33), US-based Pan Am operated from the Prince George Airport as a stopover location on its Seattle to Fairbanks route ferrying men and equipment for the US Navy. In 1942, Canadian Pacific Air Lines (CP Air) began offering scheduled flights six times a week into Prince George. Canadian Pacific and its successor Canadian Airlines International served the airport for many years. During 1942, 1943, and 1944, the airport was used as an alternate airport (to Edmonton Municipal) by the United States Army Air Forces (USAAF) for United States to the Soviet Union Lend-Lease aircraft flown primarily from Great Falls, Montana to Alaska and on to the Soviet Union. Planes seen in the new Prince George airport were mostly P-39 Airacobras, P-63 Kingcobras, B-25 Mitchell bombers, and C-47 Skytrain transports. Also seen were RCAF Hawker Hurricanes and Bristol Fairchild Bolingbroke bombers.