Extremely well. At the airport where I work most of our flights are at least a 3rd full with 3 EI Regional flights a day to DUB it works very well. The onwards connections that are offered on our morning Dublin are increasingly popular as well, with great destinations to the US.
I really hope that the sale of Aer Fungus will not affect the franchise agreement with Aer Arann. If it does, then I really think that it will spell the end of RE.
EI have saved them [RE] from the brink of bankruptcy really and ending it now would end EIs planned expansion into regional airports without the need to actually expand.
So I really hope that things will work out for the better for everyone. RE is a great company and it would be a great shame to see them go