In 1968, the provincial legislature authorized the design of a flag, adopting it on 1 June 1968.

[1] The flag has the proportions 1:2, with the provincial coat of arms in the centre of an ultramarine blue background.

In 2001, a survey conducted by the North American Vexillological Association (NAVA) placed the Alberta provincial flag 35th in design quality out of the 72 Canadian provincial, U.S. state, and U.S. territory flags ranked.

[2] Around the time of the upcoming centennial celebration of Canadian Confederation petitions were submitted in November 1966 to Premier Ernest Charles Manning by the Social Credit Women's Auxiliaries of the Alberta Social Credit League to give Alberta its own unique flag.

[3] The Calgary Flames used the flag as a shoulder patch on their home and away uniforms from 2007 to 2020.