Originally Posted by Rudi
in the past (that's no longer necessary as I managed to get lifetime Senator status now), when I was depending on high status mileage earnings to maintain my LH Senator (Star Gold) status, i booked RTW-business and still earned the first-class status miles (at that time 3.75 times, now 'only' 3.25 times the basic miles for first) on UA two-class-flights in my miles&more program.
But a business class RTW also books into first on 2-class US-domestic flights.