Do you have to have the covid shot to fly into miami Florida airport

No .. as long as you are within the USA

I was not asked but I did have documentation that I had the test done and was negative.

No

i had to get tested to fly to the capital, but flying back into miami was no problemo

You do have to have negative test results dated within 3 days prior to arrival into MIA from Mexico. GF had to.

No I was flying out of the country. I flew to LAX

No was not asked