Planning for a trip

So I'm taking Bobby to Legoland in Chicago on a train.  He's never been on a train before and he's super excited.  It's becoming a huge headache.  I planned on taking him on Monday since he's out of school for President's Day.  Well now I can't because Kyle (hubs) wants to take Aleena too.  I thought it would be just me and Bobby, but I'm totally cool with taking them with us.  Only now we can't go til the end of March because he can't take off work on Monday and I have to wait til Katie's baby is born since I'm the designated doula!!  She's due March 6th and I'm not buying train tickets and tickets to Legoland and then risking not being able to go.  Ugh.  Planning sucks.  So as of now, the trip is scheduled for the 21st of March.  We'll see how that goes!!