The following are the 2016 date and time shipping deadlines to observe to get your packages where they need to go:

12/19, 12pm – last order in by for USPS First Class to arrive by Christmas
12/20, 3pm – last order in by for USPS Priority Mail to arrive by Christmas
12/16, 3pm – last order in by for UPS/FedEx 3 Day Service (Saturday Delivery)
12/20, 3pm – last order in by for UPS/FedEx 2nd Day Air (Saturday Delivery)
12/22, 12pm- last order in by for USPS Priority Mail Express to arrive by Christmas*
12/21, 3pm – last order in by for UPS/FedEx Next Day Air (Saturday Delivery)

* Priority Mail Express is not guaranteed after this time.