Originally Posted by
ani90
... Several reports in the main UC access thread about people getting admission despite onward travel by non-partner. ...
Yes for UC members, same day arrival is allowed, same for UA *G with a same day traveling internationally or same day non-UA *A same day *A flight
Also same day UA Polaris passenger if arriving or departing on *A flight
Access to the GS area at LHR is probably a special set of rules as 1Ks Polaris also have access, but would not presume the same rules as UCs.