Here's a warning for holiday procrastinators: Christmas mailing deadlines are coming - and going - fast.

Here, via the Arlington, Virginia Sun Sentinel, are the upcoming deadlines you need to know if you intend to get your gifts delivered by Christmas Eve...

AMAZON

Dec. 22: Final day for Amazon Prime free two-day shipping

Dec. 23: Final day for Amazon Prime free one-day shipping

Dec. 24: Final day for Amazon Prime free same-day delivery, Prime Now

FEDEX

Dec. 19: Last day to ship via FedEx Express Saver

Dec. 20: Last day to ship via FedEx 2Day A.M. and FedEx 2Day

Dec .21: Last day to ship FedEx Standard Overnight, Priority Overnight and First Overnight

Dec. 22: Last day for FedEx Home Delivery shipments

Dec. 25: Last day for SameDay delivery with a $50 fee

US Postal Service

Dec. 20: Final day for First-Class Mail Service and Priority Mail Service

Dec. 22: Final day for Priority Mail Express Service

UPS

Dec. 18: Final day for 3-Day Select for delivery on Dec. 24

Dec. 20: Final day for 2nd Day Air delivered on Dec. 24

Dec. 21: Final day for Next Day Air for delivery on Dec. 24

Good luck...

[Source: Arlington Sun Sentinel]