The best source of 787 information is the "All things 787" blog, here: http://nyc787.blogspot.ca/

That includes a link to a google spreadsheet that the author maintains, here:
https://docs.google.com/spreadsheets...go/edit#gid=49

From the "787 Current Production" tab, I see (only) 5 more 787's scheduled for AC, with delivery dates of:
2018-01-02
2018-01-29
2018-02-01
2018-05-01
2018-05-16