Hello Luan and welcome to the Disney Parks Moms Panel!
You are visiting just as "the most wonderful time of the year" kicks off a Walt Disney World Resort. All of the Parks and Resorts will be decorated and the sights and sounds of the season will be in full force. With your arrival date, your visit will include the Thanksgiving holiday which is, traditionally, a very busy time at the Resort.
In my experience, the buses headed from
Disney's Yacht Club Resort to the
Magic Kingdom arrive every 10 - 15 minutes. Once on board and in motion, the ride is about 25 minutes long. I would plan a total of 45 minutes from the lobby to the Magic Kingdom just to be safe.
If you want a quicker route, try out
Disney's Minnie Van Service! These red with white polka dot vans are typically only minutes away and can swiftly deliver you to the front of the Magic Kingdom.
Hope this helps with your planning. If you have more questions, come on back to the Disney Parks Moms Panel!
See ya real soon,
Anne