The Postal Service expects to deliver approximately 15.5 billion cards, letters, flats, and packages during the 2015 holiday season. In addition, approximately 600 million packages will be delivered between Thanksgiving and New Year’s Eve. To best serve the needs of our customers during this special time of year, the Postal Service is unveiling new features and resources to ensure holiday mail is delivered on time and in the most convenient way possible.USPS Delivery Notification: Track Your Package Every Step of the WayIn time for the holidays, the Postal Service will offer real-time delivery notifications – meaning customers who sign up for alerts at myusps.com will receive notification within a few minutes of the delivery scan for select packages. My USPS will also include the ability to order free Priority Mail boxes and request free next-day Package Pickup.“Customers can count on the Postal Service and our more than 600,000 dedicated employees to deliver their holiday gifts, cards and letters,” said Megan J. Brennan, Postmaster General and CEO. “We have been investing in our infrastructure including package sortation equipment, new delivery vehicles and scanning technology to expand our capacity, improve operating efficiency and provide real-time visibility.”Weekend Mail Delivery: Beat the Busiest Shipping DayThe Postal Service predicts that Monday, December 14 will be the busiest mailing day for holiday packages, letters and cards. It is also expected to be the Postal Service’s busiest day online with more than 7 million customers predicted to visit usps.com.Monday, December 21 is expected to be the busiest delivery day for USPS. The Postal Service anticipates that more than 30 million packages will be delivered on the peak delivery day alone.To offer our customers maximum convenience, the Postal Service will again deliver packages seven days a week in select major cities and high-volume areas beginning Nov. 29, for the four Sundays before Christmas. They expect to deliver on average approximately 5 million packages every Sunday during December.Additionally, the Postal Service plans to hire 30,000 employees for the 2015 holiday season to meet the needs of its customers.Check out usps.com/holiday for all of your 2015 holiday mail needs. View shipping deadlines, schedule a pickup, track packages and more.