Delta is committed to providing tools that make travel easier for our customers. The Fly Delta app is one of those tools. The Fly Delta app is currently available both for iPhone and Android. Delta also offers a mobile version of delta.com for customers who haven’t yet been able to download our app. Jan 27, 2012 · Delta Airlines introduction of the Mobile Boarding Pass. Get yours with Check-In Companion for the Americas! www.travjous.com Oct 17, 2017 · Delta's App Will Now Automatically Check You in for a Flight Delta's App Will Now Automatically Check You in for a Flight It'll deliver your boarding pass with just one click. Oct 12, 2017 · Now, Delta passengers’ boarding passes will automatically be sent out 24 hours prior to a flight, so long as they use Delta’s mobile app. The change was noted in the iOS version of the Fly Delta... May 11, 2015 · I travel with my kids all the time via phone boarding passes. I typically use the Alaska Airlines iPhone app, which will show you all boarding passes associated with a single booking and single flight: you go to the flight information in the app, and after you've checked in, there's a button you can push that says boarding passes.