There is no immigration issue in your question. It is best you contact the airline for answers and explanation.

Your statement does not have any immigration question or issue.

The child may derive USC from USC father if certain requirements are met. It is not automatic. There is a procedure to be initiated by the USC father.

There is cancellation of removal. Do you mean VAWA withdrawal? Your question is unclear. It is best to review your present strategy with a removal...

...."telling me that my case is on hold because they have not received my rfe response and that I should consider loading them...

Your members of US Congress may help, in addition to frequent USCIS case inquiry by you or your lawyer.

it is valid at least until visa interview takes place.

If your income remains the same for the rest of the year, it appears your income may be sufficient for the I864. Good luck to you.

It is best to retain an attorney to review your documents and immigration history. The filing of I290B among other options would be reviewed in...

Not if your fiancé is K1. If fiancé was admitted on a K1 visa you are supposed to be married within 90 days. Otherwise, what you were told by...