American, Aer Lingus Expand Codeshare
American Airlines and Aer Lingus effective immediately have expanded their codeshare agreement to include flights between Dublin and each Philadelphia and Chicago.
American Airlines and Aer Lingus effective immediately have expanded their codeshare agreement to include flights between Dublin and each Philadelphia and Chicago, Aer Lingus announced Thursday. The initial codeshare agreement between the two carriers started in January 2022.