Here's a list of some of the cuts (credit to Jamake1):
STL loses the following service:
(Atlanta), (Austin), (Cedar Rapids), (Charlotte), (Des Moines), (Indianapolis), (Jacksonville), (Las Vegas), (Madison), (Milwaukee), (Minneapolis/St. Paul), (Nashville), (Newark), (New Orleans), (Norfolk), (Northwest Regional Arkansas), (Oklahoma City), (Orlando), (Philadelphia), (Raleigh/Durham), (Richmond), (San Antonio), (San Diego), (San Francisco), (Springfield), (Tulsa), (Washington/Dulles), (Wichita).
STL-New York/JFK is added.
BOS loses the following service:
(Columbus), (San Diego)
RDU loses the following service:
(Hartford), (Columbus), (St. Louis)