“Ahead of next week’s launch of iOS 6, three more major companies have officially added their support for Apple’s new Passbook feature for iPhone: Delta Airlines, Ticketmaster, and Starwood Hotels, owner of Sheraton,” Neil Hughes reports for AppleInsider.

“Delta’s involvement with Passbook confirms a rumor from last week that suggested the airline company would join American Airlines and United Airlines in supporting the new digital wallet and ticketing service of iOS 6,” Hughes reports. “But Wednesday’s presentation [by iOS chief Scott Forstall] was the first word of Ticketmaster and Starwood also participating.”

Hughes reports, “‘One of the really cool things about Passbook is it integrates with the lock screen,’ Forstall explained. ‘So if I have my phone locked and in my pocket and I get to the airport, my boarding pass already appears on the lock screen, I slide across, it brings up my boarding pass, I scan it and get on the plane. It’s that simple.'”

Read more in the full article here.