Hi Erik!
Welcome to the Disney Parks Moms Panel! I can think of no better way to spend any holiday than with ones family. And how appropriate to spend one of the most American of holidays at one of the most beloved family locations in the U.S.A.!
Yes, you may absolutely book not only
Cinderella's Royal Table, but any and all of your other
Dining Reservations, before you have secured your Walt Disney World Resort theme park tickets. My family left The Most Magical Place on Earth two days ago, a vacation for which I booked all kinds of dining experiences last September, but only purchased our park tickets this past January.
Without a confirmed Resort Hotel Reservation you may book your dining plans exactly 180 days before the dining date. If you've already booked your Walt Disney World Resort Hotel reservation, you'll only need to call the dining reservation line, or log-in to your My Disney Experience profile, once to book all of your dining options starting 180 days before your check-in date + 10 vacation days thereafter. The phone number for the Disney Dining Reservation Line is (407) WDW-DINE, or (407) 939-3463. They are open from 7 A.M. to 11 P.M. EST every day.
Don't forget to swing by
Disney Springs in the days after Thanksgiving to partake in the most beloved post-Thanksgiving tradition, shopping! Or check out this Disney Parks Blog post of great ideas of where to watch
college matchups.
I hope this helped, and We'll See You Real Soon, Erik!
~Kristen