Originally Posted by
BearX220
and then a few minutes to buy your Amtrak ticket via agent or kiosk if you haven't got it printed out already.
This part at least can be skipped now that Amtrak has gone to e-ticketing. Easy to purchase ahead of time, even if you do so on your smartphone on the shuttle bus from the airport to the train station.
To the OP: Please report back with success/failure story.