Originally Posted by Sunnyhere
I'm not sure I understand this talk about terminal 1 to terminal 3.
Me neither.
The biggest distance will be the walkway down to the rotunda (where there are moving walkways -- the "bouncy" kind!

)
Provided your flights are on time, this should be an easy connection. You maybe have max 12 minutes of walking.
As for the infant...at that stage, it's the parents' fault if they don't make the flight on time.