内容：American Airlines offers an easy online american airlines online check in option that allows you to manage your booking and get your boarding pass in minutes.
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姓名：will时间：1970-01-01
内容：The american airlines online check in feature from American Airlines helps passengers streamline their airport experience by checking in through the website or mobile app.
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姓名：will时间：1970-01-01
内容：Travelers can use american airlines online check in to choose seats, add baggage, and download their boarding pass ahead of departure.
