As mobile applications take a larger and larger role in our daily travel lives, airlines are starting to respond with their own widgets and tools to make working with them easier. After all, the better that they can facilitate your transactions with them, the more likely that you're going to return a happy customer.

To that end, Delta Air Lines just rolled its new iPhone/Android app out that should help streamline the whole mobile boarding pass process. Instead of clicking through an email or navigating to delta.com on your browser, the new tool lets you check in, download your boarding pass and keep it stored for future use -- without dealing with any browsers or caches or non-Delta tools.

Big deal, right? Anyone can use a mobile boarding pass irrespective of the app, and you're still constrained by battery life and the whims of the TSA and the equipment along the chain. Fact of the matter is, mobile boarding passes are still probably not worth your time.

Still, an engaged traveler is one that's more likely going to return (and Delta knows this), so they're offering a 1,000 mile bonus for any passenger willing to download and try out the app next them they go to the airport. All the passenger has to do is sign up, get to the airport and check in with the app to get the reward, which should be just about the easiest 1000 miles that anyone can earn.

You can sign up for the promotion here and download the app via your favorite app store. You've got until September 7th to redeem.

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