Your 5/21/21 RESERVATION (not an order) puts you about 45,000 back in line but actual timing will also depend on which dealer you go with.
www.lightningowners.com
Rumor says ordering by invitation will start again mid-July but I wouldn’t be surprised if it isn’t until August.

Reservations made the first night
Does anyone know how many reservations were made the first night they went live?