McDonagh wasn't nominated for Best Director, basically killing any chance Three Billboards has at Best Picture (we can hope at least).
Also The Shape of Water missed at SAG for Ensemble, killing any chance it has a of winning Best Picture
And Get Out didn't get nominated for Editing, killing any chance it has a of winning Best Picture
And Ladybird and Dunkirk missed PGA, killing any chance they had of winning Best Picture
And Call Me By Your Name missed both SAG and PGA, killing any chance it has a of winning Best Picture
I guess they're not giving out Best Picture this year ! On a more serious note, the race looks pretty open because of all of the above, so we'll see. My guess is Three Billboards is too divisive to get it and it'll be... something else. DOn't know what though.