Aer Lingus plan to increase Chicago from currently daily service for summer 13 however they need another Long Haul aircraft and its now expected that the A332 which is operating for United on IAD-MAD route will finish to allow them increase T/A fights from DUB.
AF has a lot of feed on the Europe side. UA pushes that feed through Germany.
EI have an increasing amount of connecting traffic through DUB from Europe and the UK and from October this will grow further.