Supplies of the iPad mini with Retina Display has been severely constrained ever since it launched on November 12th. Even though it was Within hours of the device becoming available, online orders shot up to 2 weeks delivery times, and for weeks, the best way to get an iPad mini with Retina Display quick was to try your luck at your local Apple Store.
Just in time for Christmas, though, Cupertino has managed to loosen up supply constraints, guaranteeing that if you order an iPad mini with Retina Display right now, you will receive it after it ships in 1-3 business days. That means if you need a last-minute gift idea, you can order an iPad mini with Retina Display now and get it in time for Christmas Eve. Cool beans!
Source: Apple.com