Originally Posted by
leftysauce
Can I credit/earn miles on a BX-operated/codeshare flight with OZ flight number to UA?
I don't think so.
In *A metal counts.
As BX is not an alliance member, they would need to be a partner of your specific mileage program.
UA's partners are listed at
https://www.united.com/ual/en/us/fly...-partners.html and I don't see BX mentioned.