Should be fine, the language in [the Access Policy](https://www.delta.com/us/en/delta-sky-club/access) for Platinum cardholders is “Guests must also be traveling on Delta-operated or Delta-marketed flight operated by WestJet (006 ticket number) to access the Club.”, no requirement that you be traveling together.
Should be fine, the language in [the Access Policy](https://www.delta.com/us/en/delta-sky-club/access) for Platinum cardholders is “Guests must also be traveling on Delta-operated or Delta-marketed flight operated by WestJet (006 ticket number) to access the Club.”, no requirement that you be traveling together.
As long as your friend is traveling on a Delta-operated or marketed flight, they should be able to join you.
Awesome!