Air Nippon Airways! Hands down! Our entire around-the-world trip has been organized through ANA’s mileage rewards program.  We’ve had 8 stops, 2 open-jaws, and 5 24-hour stopovers, all with countless adjustments due to our on-the-go planning. For a trip like ours, (well for any trip really), the airline could make or break the overall enjoyment…