You are either paid on Tuesdays or Fridays, depending on when you deliver. Both Prime Now and Amazon.com have different schedules.
If you deliver for: Prime Now
Deliveries Mondays-Wednesdays get paid on Friday.
Deliveries Thursdays-Sundays get paid on Tuesday.
If you deliver for: Amazon.com
Deliveries Tuesdays-Thursdays get paid on Friday.
Deliveries Fridays-Mondays get paid on Tuesday.
Prime Now Delivery Partners receive payment after all tips have been finalized, which can take about 30 hours after a delivery has finished. You will continue to see estimated earnings while the tips process.