> United has some system that scans your face at the check-in counter, and uses facial recognition in lieu of scanning your boarding pass at the gate. I don't

> United has some system that scans your face at the check-in counter, and uses facial recognition in lieu of scanning your boarding pass at the gate. I don't think it's an airline thing. I've had the same at LAX boarding an Air France (codeshare with Delta) flight, and it seemed to be all over the place there.