The looming strike could strand travelers, disrupt the peak summer tourism season, and pressure Prime Minister Mark Carney’s Liberal government to intervene.

Air Canada said it plans to resume flights later on Sunday (August 17), a day after the government issued a directive to end a cabin crew strike that had caused hundreds of flights to be suspended.

“We will be challenging this blatantly unconstitutional order that violates the charter rights of 10,000 flight attendants, 70 percent of whom are women, and 100 percent of whom are forced to do hours...