Yes

Check with your airline. Each has different requirements.

Madison airport is home to a unit of the Air National Guard. Very common when the weather is good to have many training flights in and out of there.

Its not that long.

Yes, they offer public wheelchair service.

90 minutes is suggested, requirements are 30 minutes for all airlines except Frontier, which is 45.

There is a family lounge, with a comfortable area to relax, along with a "mothers' lounge", and family restrooms. This is located on the first floor of the terminal, right across from the airline ticketing counters.

There is a cell phone lot on the right hand side when you first drive in. You can wait there until your passenger calls to be picked up.

The star is mandatory starting Oct-2020 https://rare.us/rare-life/travel/real-id-gold-star/