A promotional image from Delta Air Lines shows a passenger looking at DraftKings SkyPicks on the onboard entertainment app. SkyPicks is a free-to-play in-flight sports predictions game. (Image: Delta)Delta and DraftKings have launched SkyPicks, a free-to-play in-flight sports contest that allows fliers to engage with sports in a new way. Customers launch SkyPicks from the Delta Synch Wi-Fi onboard entertainment homepage to make a series of predictions on upcoming games. “DraftKings designed SkyPicks as a free-to-play experience that does not permit customers to place real-money wagers while in-flight in compliance with federal regulation.