American Airlines and Porter Airlines have signed a codeshare agreement allowing passengers to combine flights from both airlines on a single ticket, as of September 29, 2025.
AAdvantage® members will be able to earn AAdvantage® miles for travel on Porter Airlines flights marketed under the American Airlines code. American and Porter will continue to evaluate opportunities to expand this relationship further through expanded codeshare destinations and loyalty benefits.
For more information on this agreement, click here.
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