Original status: BA Silver

SAS Eurobonus:
Account age: <1 year
Previous flights credited: single flight, taken after creation, a few months back
Previous status: none
Outcome: matched to Eurobonus Gold
Time to complete: a couple of days to get a response, account updated next day
Expiration: mid 2026, somewhat confusingly

Miles & More:
Account age: >3 years
Previous flights credited: <10 over those years
Previous status: none
Outcome: matched to Miles & More Senator
Time to complete: a couple of days to get a response, account update promised within 10 days, now closing in on those days with no update
Expiration: confirmed requirement to hit 6 sectors with Lufthansa group airlines - booked as some weekend day hops around lounges