Flight Licenciado Benito Juarez International Airport departs from Mexico City Licenciado Benito Juarez International Airport at 09:00 and arrives at Buenos Aires Ministro Pistarini International Airport at 21:10.
The flighttime is about 22h 10m. The distance travelled ("as the bird flies"): 4161 Km. So the average speed is roughly 188 Km.
There is an 14 hour time difference between Mexico City and Buenos Aires