The deadline for FedEx ground and home delivery is today. Michael Murphy a Senior Operations Manager at a Facility in Chicago says they'll be extremely busy... He says "Mondays are absolutely the busiest, and they're projected to be the busiest in our company's history."
Tuesday marks the deadline for UPS three-day select shipping. When it comes to the United States Postal Service you have until Thursday to get those cards and packages in the mail First Class or Priorty.
Anything beyond that you'll have to pay extra for Express.