All times until mid-fall 2013: Manhattan-bound Q trains skip Cortelyou Rd, Beverley Rd, and Parkside Av.
From 7 a.m. to 9 p.m., Saturday, and from 9 a.m. to 7 p.m., Sunday, Q service is extended to/from Ditmars Blvd.
From 9:45 p.m. Friday to 5 a.m. Monday, Jamaica-bound F trains are rerouted via the M from 47-50 Sts to Queens Plaza. F trains run express from Queens Plaza to Roosevelt Av until 12:30 AM Sat, and local thereafter.
From 12:30 a.m. Saturday to 5 a.m. Monday, Jamaica-bound F trains run local from Queens Plaza to 71 Av. Coney Island-bound F trains run local from 71 Av to 21 St-Queensbridge.
From 11:45 p.m. Friday to 5 a.m. Monday, Jamaica-bound F trains run express from Church Av to Smith-9 Sts.