American Airlines Sues Points Guy Over Miles Management App (1)

American Airlines Inc. is suing the Points Guy travel site for letting frequent flyers manage their miles outside the carrier’s own website.

The airline accused the Points Guy of violating its trademark as well as privacy rules associated with its AAdvantage loyalty program. It asked the federal court in Fort Worth, Texas, for an order stripping all American links and customer data from the site.

The Points Guy is accessing and using airline data “in a way that does not comply with our standards of use of confidential information,” Andrea Koos, a spokeswoman for Forth Worth-based American, said Thursday in ...