Air travel is not an enjoyable experience, at least for most people. Part of what makes flying so stressful is having to remember to check-in ahead of time. Then you have to make sure you've downloaded your boarding card correctly. At least we don't have to print them off anymore, I suppose, but it could still be easier.

Luckily, Delta agrees, and the latest update to its app introduces automatic check-ins, aiming to make the process that little less painful. The new feature has been available on iOS for the last few days, and now it's landed on Android. As of version 4.6, the app will automatically check you in 24 hours before your flight and send you a notification to confirm.

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