Air Canada is preparing to cancel roughly 500 flights Aug. 15 as flight attendants continue strike preparations; government intervention remains a question.

Mesa Air Group is now a single fleet operator of Embraer E175s as its last CRJ crews complete training to fly the E-Jets later in August.

Air Canada flight attendants and management are bracing for a strike as the airline has asked for government-direct arbitration to help thwart major disruptions