Porter Airlines and American Airlines have launched a new codeshare agreement, expanding travel options between Canada and the U.S. Passengers can now book across both networks via aa.com and flyporter.com, with initial routes covering cities like Edmonton, Halifax, Ottawa, Victoria, and Winnipeg. U.S. hubs including Dallas-Fort Worth and Chicago O’Hare are included, with more destinations expected soon. The partnership strengthens cross-border connectivity, offering travelers streamlined booking, loyalty benefits, and greater flexibility.