A flight passenger says he/she saw how American Airlines is cracking down on its "gate lice" policy. "Gate lice" refers to passengers who attempt to board before it's their turn.

The software sounds a chime if a passenger attempts to board a flight before their assigned group is called, alerting the gate agent and the customer.

Your boarding process might look a little different next time you fly American Airlines out of Chicago O'Hare International Airport.

The carrier is deploying software at O’Hare that’s designed to keep passengers from jumping the line during boarding. The software sounds an audible alert to gate agents as passengers scan their boarding passes if are trying to board before their group is called.

American Airlines is stepping up its crackdown on so-called "gate lice" — passengers who hover near the boarding area or try to sneak on before their designated turn. A recent traveler at Pensacola International Airport (PNS) praised a gate agent for enforcing boarding order,

American Airlines is combating 'gate lice' by strictly enforcing boarding zones. A Reddit user highlighted a gate agent's efforts at Pensacola Airport.