Wub ask them, such a large metropolis it does seem odd it's not getting a visit, the website says
Please be aware that due to various permissions and agreements, the routes vary from those originally published over 10 days ago. We have also listened to public opinion to arrive at what we believe will be the best possible solution in light of all the restrictions placed upon us in operating XH558.
Although flight paths may vary once announced and XH558 is airborne, the turning points we reveal will be our intended destinations given favourable weather conditions.
If you don't try, you don't get.