Samsung's roll out schedule for stable Android 11 and UI 3.0 has been released over on SamMobile and it shows Galaxy S20's are in the front of the queue.

"

• December 2020
  
  • Galaxy S20
  • Galaxy S20+
  • Galaxy S20 Ultra
• January 2021
  
  • Galaxy S10
  • Galaxy S10+
  • Galaxy Note10
  • Galaxy Note10+
  • Galaxy S10 Lite
  • Galaxy Z Flip
  • Galaxy Z Fold 2
  • Galaxy Note20
  • Galaxy Note20 Ultra
• February 2021
  
  • Galaxy Fold
• March 2021
  
  • Galaxy M30s
  • Galaxy A51
  • Galaxy Note10 Lite
  • Galaxy M31
  • Galaxy M21
  • Galaxy Tab S7
• April 2021
  
  • Galaxy A50
  • Galaxy M51
• May 2021
  
  • Galaxy A70
  • Galaxy A80
  • Galaxy Tab S6
  • Galaxy A71
  • Galaxy A31
  • Galaxy A21s
  • Galaxy Tab S6 Lite
• June 2021
  
  • Galaxy Tab A
  • Galaxy A01
  • Galaxy A01 Core
  • Galaxy A11
  • Galaxy M11
• July 2021
  
  • Galaxy A30
  • Galaxy Tab S5e
• August 2021
  
  • Galaxy A10
  • Galaxy A10s
  • Galaxy A20
  • Galaxy A20s
  • Galaxy A30s
  • Galaxy Tab A 10.1
  • Galaxy Tab Active Pro
• September 2021
  
  • Galaxy Tab A 8 (2019)

It's worth mentioning that this list only pertains to Egypt, and other countries may follow a different rollout schedule. It also has a few devices missing, so you might want to contact your local Samsung customer representative for confirmation on One UI 3.0."

For more details, see this article at GSMArena...

https://www.gsmarena.com/samsung_one_ui_3_stable_rollout_schedule-news-46545.php

 

The rollout has begun with the U.S. carrier branded S20's for Verizon just starting to receive it.

See...

Samsung Galaxy S20 series starts receiving Android 11 update at Verizon