Official US theatrical release schedule (dates in the details, both Wide and Limited) for upcoming films in 2019.
Original list found at FirstShowing
Supplementary additions pulled from 2019 in film Wiki page
For a complete list of ALL films entering any theater in the US, please visit Box Office Mojo.
If you see any errors, or know of any major additions with confirmed release dates, please comment below! I'll try and update this once a week on Sundays.
PS: Here's a list of indie theaters in NYC for my fellow New Yorkers