Los Angeles (LAX) to Toronto (YYZ) - Cmt, Şub 1
United Airlines, Inc. 8324 Dep: 10:00PM Arr: 5:43AM 4h 43m Airbus A321 Economy (K)
OPERATED BY AIR CANADA Layover in YYZ Paz, Şub 2 2h 32m


Class is K .

and at TK miles and smiles it state

Air Canada
Miles cannot be earned in booking classes A, E, G, N , P, K*** and F on flights within Canada and between Canada and the United States

United
I can earn %100 miles.

now is my question ,

for TK miles and smiles, is it a Air canada flight or United ?