Originally Posted by
NWIFlyer
If upgrading, you will have a CE ticket, with all CE privileges - so lounge access, priority check-in, priority boarding etc. This does not automatically come with free advance seat selection unless you have it by dint of status (Gold/Silver at time of booking, Bronze T-7 days).
At T-24 hours, when check-in opens, you will have free seat selection whatever your status.
Superb; I have bronze so given the flight is now less than seven days away it should be free? I'll go ahead and book it...!