I'd say close to 80-90% of my travel is leisure, mostly international. I only have 3-4 business trips a year on average, mostly domestic. So far this year, I've had 5 trips, 4 international leisure trips, and 1 domestic business trip.

I'm up to 550k lifetime miles on AA over the last 4 years, nearly 200k of that earned in the last 6 months.