AeroMexico's first 787-8, N961AM, (c/n 35306) arrived in Mexico City (MEX) on its delivery flight on 16Aug13.
The type will enter service on 23Sep13 between Mexico City (MEX) and Monterrey (MTY) with international service set to debut from MEX to New York City (JFK) on 24Sep13, followed by Tokyo Narita (NRT) on 14Oct13 and Paris on 24Oct13.
Buenos Aires Ezeiza (EZE) will start on 20Mar14 to be followed by London Heathrow (LHR) and Madrid (MAD) later that year.
AeroMexico has a total of 19 787's on order including nine of the 787-8 model and ten of the 787-9 longer-range "stretched" model (20 ft. longer than the 787-8).
Sources: Aviacion News 15Aug13