Well looks like WN will be expanding into EWR in March of 2011, thanks to the New United.
http://finance.yahoo.com/news/United-and-Continental-Reach-prnews-3646285530.html?x=0&.v=1
http://finance.yahoo.com/news/United-Continental-to-help-apf-980675940.html?x=0&.v=1
http://finance.yahoo.com/news/Southwest-Airlines-and-prnews-1347578892.html?x=0&.v=1
http://finance.yahoo.com/news/United-and-Continental-Reach-prnews-3646285530.html?x=0&.v=1
http://finance.yahoo.com/news/United-Continental-to-help-apf-980675940.html?x=0&.v=1
http://finance.yahoo.com/news/Southwest-Airlines-and-prnews-1347578892.html?x=0&.v=1