BD flights to Dublin have always had quite a lot of codeshares. For example, todays BD123 was also:
(VS) Virgin Atlantic Airways 4123
(UA) United Airlines 4883
(TG) Thai Airways International 7008
(SK) SAS - Scandinavian Airlines 9757
(SA) South African Airways 7636
(MH) Malaysia Airline 9625
(LH) Lufthansa 6633
(GF) Gulf Air 5225
(CO) Continental Airlines 8861
(BI) Royal Brunei Airlines 3123
(AC) Air Canada 6551