Julie Paquet, the MUHC's communications manager, said that "with all large projects, unforeseen delays can happen. However, it is important that all parties work together to mitigate these risks."
According to the report, contractors have been working overtime and weekends to make up for lost time.
Karl Moore, a management professor at McGill University said this delay could cost the MUHC a pretty penny.
"There's financial penalties if it's not delivered on time or delivered to the things you ask for." He also added that these fees are incentive for businesses to achieve projects faster in order to avoid penalties.
The date for the completion of most of the work has been pushed back from Sept. 30, 2014 to Jan. 5, 2015.
As it stands, the DBRS claims 35 per cent of the work is done. It blames geotechnical conditions and changes to the project as major factors in the delays.
The credit rating agency said the coordination problems are "unusual" for a project being built using a public-private partnership.
The 217, 500 square metre hospital will be financed over a 30-year period.