Some planes have a bassinet available, so ask for that, & I am sure they will fuss also.
If it means spending time with DH then go, if poss get into a habit of following him around, do it while baby is little.
For times when you are stuck at home alone, get a hobby, or a good book, do stuff you can't really do when he is there, take advantage of help, & join a coffee group, you will meet mums & make friends.
But most of all look after yourself & treat yourself