She says, I never have to look at screens in the airport anymore.

Its the greatest hack ever and I think nobody knows about it.

So what are her tips?

A woman looks out from an airport corridor with her luggage next to her. An airplane takes off in the background.

Photo: Happyalex/Depositphotos

The airline code is key and usually includes at least one letter.

For instance American Airlines is AA and Jetblue is B6.

On iPhones, this will give you a quick link that stays updated with any important info.

All you have to do is tap on the code and choose Preview Flight.

No need to download multiple airline apps or trying to find your flight on a crowded airport screen.

h/t: [Yahoo!]