Some countries still require passengers to print out their passes ... if they forget to print it out when needed. Make sure to never post pictures of your boarding pass, as it could leave you ...

The passenger, whose name has not been released, had made it through TSA screening and onto the plane without presenting a boarding pass at the ... without a scanned ticket at the gate." ...

Delta Air Lines said a person was able to board a flight in Seattle without a ticket or boarding pass. After the discovery, the plane was turned around just before takeoff.