Delta has put together a timeline for members of Delta SkyMiles and Northwest WorldPerks to help answer any questions you might have regarding the merger. Some of the more interesting entries listed include June 2009: “Launch ability for WorldPerks members to book award tickets on Delta operated flights at all low, mid and high mileage awards in Premium Class.”

July 2009: “Communicate launch date for when SkyMiles Gold and Platinum Medallion members will be eligible for Complimentary Medallion Upgrades on award tickets.”

August 2009: “Announce the 2010 SkyMiles Medallion/Elite program details and tentative launch date of a new domestic SkyMiles co-branded debit card.”

October 2009: “Continental Airlines leaves SkyTeam Alliance and no longer offers our SkyMiles and WorldPerks members the ability to earn or redeem miles on Continental flights.”

And December 2009: “WorldPerks members transition into the SkyMiles program.” Visit http://insideflyerus.wpengine.com/link/?1520 to access the timeline that will be updated as news becomes available.