Southwest Airlines EarlyBird Price Going Up to $15

Starting March 14, Southwest’s “Early Bird” option will rise in price from $12.50 to $15.

http://pointsmilesandmartinis.boardingarea.com/2016/03/southwest-airlines-increasing-early-bird-check-in-fees/

Buyers of EarlyBird get automatic check-in, so they do not need to check in manually exactly 24 hours before departure in order to get a good boarding order (seat).

I always buy EarlyBird, to ensure that I will board early enough to find available bin space.