According to the MTA:
F Jamaica-bound trains are rerouted via the E after 47-50 Sts to Roosevelt Av Weekends, 11:45 PM Fri to 5 AM Mon, Dec 9 – 12 Dec 16 – 19
No Jamaica-bound service at 57 St, Lexington Av/63 St, Roosevelt Island and 21 St-Queensbridge.