hi.. i m originally booked on July 11 for HKG-SUB.. but becoz of some family problems.. i need to fly earlier.. the earliest flight would be July 8.. but then the flight itself is full.. n i m placed on waitlist now..

what is my possibility on getting on the July 8th flight??

I am a Marco Polo Silver member by the way.. n i m booked on M class.. a discounted economy fare..