Atlanta-based Delta Air Lines announced Wednesday it will boost many of its employees’ base pay by 14.5 percent, while reducing profit sharing......Delta said the new pay increase for flight attendants, ground workers and merit employees takes effect Dec. 1, and will give most Delta employees a combined 18 percent increase pay hike for 2015, including raises in April. The airline is also increasing its 401(k) match by 1 percentage point.