People in the industry are asking if 45 days is the new exclusive theatrical window for movies before they become available for streaming or subscription video on demand. So far three of the major studios — Disney, Warner Bros. and Paramount — have each signaled that’s their current plan. The 90-day window was shattered a couple years ago when the average time a movie spent exclusively in cinemas was cut to 70-75 days.
Source: As Moviegoing Returns, What Happens to the Exclusive Theatrical Window?