[8] In spring 1920, preparation for the arrival of the US Army Black Wolf Squadron (4 de Havilland DH-4s) began on Cyr's wood lot on the hill above Whitehorse.

The airport also controls Whitehorse Water Aerodrome, a float plane operator based on Schwatka Lake.

[11][12][13] During the September 11 attacks, two aircraft approaching the United States from Asia were diverted to Whitehorse as part of Operation Yellow Ribbon.

Those who witnessed the landing by the Korean Air 747 observed the Royal Canadian Mounted Police (RCMP) order the flight crew out at gunpoint.

[14] The airport's parking lot is graced by an old Canadian Pacific Air Lines Douglas DC-3 on a pedestal that serves as a Weather vane.

[16] CP Air served Whitehorse during the 1970s with Boeing 737-200 jetliners with direct, no change of plane flights to all of the above named destinations in Canada.

[20] During the mid and late 1970s, the airport was also served by Winnipeg-based Transair (Canada) which operated Boeing 737-200 and Fokker F28 twin jet service direct to Winnipeg several days a week via intermediate stops at Yellowknife and Churchill, Manitoba.

Another air carrier which served Whitehorse during the early and mid 1970s was International Jetair operating nonstop flights to Inuvik on the weekdays with continuing one stop service several days a week to Fort Nelson flown with Lockheed L-188 Electra turboprop aircraft.

[28] This article incorporates public domain material from the Air Force Historical Research Agency Media related to Erik Nielsen Whitehorse International Airport at Wikimedia Commons