Unfortunately (at least around here)
Life Flight is a privately operated company and not covered under insurance. It's kind of a scam, had a coworker tell me about the way it worked for his dad after a bad car accident. You come into the hospital in critical condition and unable to consent to anything, and the hospital makes the decision to call Life Flight to get you to a better equipped hospital as quickly as possible. They dispatch a helicopter and whether they end up taking you or not, you get billed for the dispatch. If they do take you, it's an even larger bill (coworker claims it was $600k+). Insurance does not cover any of it.
If it comes down to me dying or me getting life flighted, well, I have Life Insurance to leave my family and I'd rather do that than saddle them with a half a million dollar bill for a helicopter ride I didn't ask for.
Edit: I guess there are multiple Life Flight companies. Here's another
https://lifeflighteagle.org/