Originally Posted by Seat13c

I still use the paper boarding pass at the airport. I find they scan better than the mobile boarding passes, especially with the screen protectors and if your brightness isn't set just right. Besides, I don't like using my a percent or two of my battery life just to save Southwest the cost of 1 piece of paper. Battery conservation sometimes is needed especially since I can't charge my device on board. I still do check in either on my phone or online the day prior to get the better boarding position.