Question: Republic Airways Holdings, Inc. is an American airline holding corporation based in Indianapolis, Indiana, that owns which regional airline subsidiary of Republic Airways Holdings that operates service as American Eagle, Delta Connection, and United Express using a fleet of Embraer 170 and Embraer 175 regional jets?
Sentence (from "Republic Airline"): Republic Airline Inc., operating as Republic Airline, is a regional airline subsidiary of Republic Airways Holdings that operates service as American Eagle, Delta Connection, and United Express using a fleet of Embraer 170 and Embraer 175 regional jets.
Relevant evidence: Yes