DELTA:

Atlanta-Accra effective March 24 is being reduced from 3x/week to 2x/week.
Honolulu-Osaka effective between July 31 and September 4 will increase from 1x/day to 2x/day.
New York(JFK)-Accra effective March 24 increase from 3x/week to 4x/week.
New York(JFK)-Copenhagen between June 1 and September 3 reduces from 1x/day to 6x/week.
New York(JFK)-Mexico City effective June 7 increases from 1x/day to 2x/day.
New York(JFK)-Stockholm effective August 5 will reduced from 1x/day to 5x/week and effective August 23, will reduce to 4x/week.

Previous Skyteam route updates: ONE TWO THREE

Source: airlineroutes.net