Don't get caught shipping late! Carrier Shipping Deadlines
Dec. 14: USPS Retail Ground shipments
Dec. 18: Alaska to mainland First-Class Mail
Dec. 19: Hawaii to mainland Priority Mail and First-Class Mail
Dec. 20: First Class
Dec. 21: Priority Mail; Also deadline for Alaska and Hawaii to the mainland through Priority Mail Express
Dec. 23: Priority Mail Express
International shipping and military mail deadlines are earlier.
Dec. 9: SmartPost
Dec. 16: Ground and home delivery
Dec. 19: Express Saver
Dec. 20: Two-day options
Dec. 23: Overnight options
Dec. 25: FedEx SameDay, FedEx SameDay City Direct and City Priority
Dec. 13: Last day to ship some UPS Ground packages
Dec. 19: UPS 3 Day Select
Dec. 20: 2nd Day Air
Dec. 23: Next Day Air