I don't think it is. Not seeing that option at http://www.dell.com/en-us/shop/productdetails/xps-13-9365-2-...
http://www.pcworld.com/article/3161861/linux/the-new-dell-xp...
http://www.dell.com/us/business/p/xps-13-9360-laptop/pd?3x_n...
select OS option above.
Here is the original blog from dell engineer himself. https://bartongeorge.io/2017/01/09/welcome-the-new-ubuntu-ba...