Originally Posted by Mike Jacoubowsky

But the smart Silver is going to check and recheck seat assignments often during the 23 hours pre-flight (the last hour prior to flight typically cannot be done on-line or via Kiosk but only at the gate). As people get upgraded or plans change, choice seats can open up, waiting to be snagged. During that 23 hours, all elites are created equal in terms of E+. Use it to your advantage!