Pilots at United Airlines have rejected a tentative collective bargaining agreement, marking the latest upheaval in contract negotiations at U.S. major airlines.

Mexican ULCC Viva Aerobus continues to face challenges in aircraft deliveries, which are creating cost headwinds for the airline.

After adding 15 more Airbus A220-300s and 30 A321XLRs to its orderbook, Air Canada has largely completed its narrowbody replacement program and shown little interest in a larger A220 variant.