Aer Lingus (EI, Dublin International) has entered into a reciprocal codeshare agreement with United Airlines (UA/Chicago) and will start cooperating with the carrier as of November 1. It has announced new routes: Belfast Intl-Lanzarote: 2x weekly A320-200 service starting on October 28 Belfast Intl-Milan Malpensa: 3x weekly A320-200 service starting on October 28 Belfast Intl-Munich: 3x weekly A320-200 service starting on October 28 It has given up its Dublin-Dubai route.