Originally Posted by
itstimetofly
There used to be an airside shuttle bus you could take between the two terminals to facilitate *A connections. It ran once every 30 minutes or something like that, but I don't know if this service is still being offered.
It is not - they discontinued it some time ago.
Not surprising given that the only *A flights that don't leave from the connected T3/Intl G terminals are those from US.