Update at 0420GMT 02APR14
WestJet in Summer 2014 season further expands codeshare operation with DELTA. In addition to 15 new codeshare routes previously reported on Airline Route on 05MAR14, WestJet will also display WS code on additional 20 routes operated by DELTA.
New Codeshare Routes:
Detroit – Cleveland
Detroit – Columbus OH
Detroit – Hartford
Detroit – Milwaukee
Detroit – Oklahoma City
Detroit – Omaha
Detroit – San Antonio
Minneapolis – Cleveland
Minneapolis – Columbus OH
Minneapolis – Hartford
Minneapolis – Milwaukee
Minneapolis – Oklahoma City
Minneapolis – Omaha
Minneapolis – San Antonio
New York JFK – Columbus OH
New York JFK – Jacksonville FL
New York JFK – Norfolk
New York JFK – Richmond
New York JFK – Savannah
Salt Lake City – San Antonio
New York JFK – Atlanta
New York JFK – Baltimore
New York JFK – Boston
New York JFK – Buffalo
New York JFK – Charlotte
New York JFK – Cincinnati
New York JFK – Cleveland
New York JFK – Indianapolis
New York JFK – Orlando
New York JFK – Philadelphia
New York JFK – Pittsburgh
New York JFK – San Juan
New York JFK – Washington Dulles
New York JFK – Washington Reagan
Seattle – Vancouver