FedEx Ground announced it is boosting capacity to expand service in the U.S. to six days per week, gearing up to meet ecommerce demand and the looming peak holiday season crush in November and December.

The company said its 425,000-member ground team will continue offering six-day service throughout the year.

In anticipation of record holiday volume, FedEx Ground plans to increase hours for some employees and hire about 55,000 seasonal workers. The company has been running six- and seven-day schedules for the past several holiday seasons.

Raj Subramaniam, executive vice president, chief marketing and communications officer…