When overhead bins fill up, travelers with carry-ons that don’t fit under the seat will be asked to gate check their bag. Gate checking is always free of charge.

Contrary to the name, gate lice does not refer to an outbreak of parasitic insects that live on your scalp at airport boarding gates. Erlon Silva - TRI Digital via Getty Images The boarding ...

She approached the counter to scan her pass when the gate agent told her that she would have to check her bag because the overhead bins on the plane were full. But they weren’t.