Delta’s big day at LAX

Delta Air Lines will unveil its $229-million upgrade at Terminal 5 on Wednesday, including a doubling in size for its ticketing lobby and security screening areas, installation of new baggage carousels and a renovated Sky Club forwell-heeled travelers. The upgrade is only the latest in a string of terminal renovations. In all, more than $2 billion in modernization efforts have been launched or completed since 2012.