Typically they can be rescheduled. Check the website. Another issue is if she will be able to enter as visitor when the I129f is pending.

Change of Status and F1 stamping

Make sure he visa issuing freeze is over before you travel and/or check that there is no backlog of visa applications as a result. Regarding...

Can my Unemployed student wife be a sponsor in a filed I-130 petition?

She needs to file the I864 form with a co-sponsor.

Stay for more than six months on multiple visit visa

File an I539 to extend status with evidence of your financial ability to support yourself. These are not easily granted so hiring an attorney to...

My wife with K1 visa will be filing Adjustment of Status after 90 days of entry. Do we need to file I-130?

Since she came in as K1, she needs to file the AOS as soon as you can after marrying. She will be out of status until you do. No need for I-130.

How can change status from b1 b2 visa for parmenent stay in USA.

You need a consultation, your question is very broad. Review basic information and on USCIS website. http://www.uscis.gov/greencard

Does an immigrant have any opportunity to remain in the US if she divorces prior to two years of a good faith marriage?

Yes you can if it was a good faith marriage but hire an attorney.

How to file change of status paper?

There are several serious issues with your plan. Talk to an attorney before you do this!

What Should I Do Now? Marriage On A Tourist Visa Issue

This is a risk when entering the US, POE officers have a lot of discretion and this one didn't believe you. Talk to an immigration lawyer and come...

Can I apply for change of status and EAD together?

Yes as long as you have a permanent residence case that is far enough along, see...