Will I start to earn more Tier Miles when I get to Silver?

You do not earn additional Tier Miles for being a Silver, Gold or Platinum member. However, you can earn extra Tier Miles by travelling Business or First Class or choosing a Flex fare.

Related questions

What Miles bonuses do Silver, Gold or Platinum members earn?
How do I keep my Silver, Gold or Platinum status?
Can I use my Skywards Miles to purchase Silver, Gold or Platinum membership?