Affair in the air?

Jennifer Lopez and Marc Anthony announced their surprising split earlier this month, but the duo came close to parting ways two years ago because of Anthony’s fling with a flight attendant.

In the new Us Weekly, out now, a source says that Anthony, 42, hooked up with a flight attendant he met aboard a private plane in 2009.

“Marc and Jennifer almost split up over it,” the source tellsUs of the couple, parents to 3-year-old twins Emme and Max.

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