Originally Posted by sfcaFLYER

Never watched my statement for this, and now am confused:

If I book and use a Regional to upgrade into R at the time of booking, do I earn the bonus for traveling in First - or is my earned mileage based on my purchased fare only (plus elite bonus)?

What about booking in an Economy fare, then getting upgraded to PN or JN, are the miles earned still based on booked class only?

Thanks.