No you cannot with the real ID and everything that's going on no. my suggestion is get you a passport that will probably be easier as far as documentation goes. I don't have a real ID but I have a passport and that gets me anywhere I need to go when it comes to flying.
No!
This is a question for TSA not the airline. Here is a list of acceptable identification https://www.tsa.gov/travel/security-screening/identification
You need to call the airline and see what they require
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