It says '2-day Shipping' but has an estimated delivery in December

Pre-order: Had an estimated delivery time of 2 weeks, look what I got today!

Chart: The Parcel Shipping Boom Continues

What is Estimated Delivery Date? – ShippingEasy

PRINTED Kids Hockey Valentine's Exchange Cards Classroom Let's Stick Together - Canada

Is it REALLY coming on time? : r/usps_complaints

Shipping Policy Template - TermsFeed

Holiday 2020 Shipping Info

It says '2-day Shipping' but has an estimated delivery in December. Which is it? : r/prime

If you order something and it says the estimated delivery date is in a month, and it has shipped already on the first day, does that mean it won't take a month