Originally Posted by
Biff98
I have place no less than 10 phone calls asking how I could upgrade my cheap-o L fare to Biz/First and I've gotten different answers every time.
Who did you call? If you called CO they should have simply taken your cash+miles and either upgraded you or put you on the waitlist and it would have cleared.
Once inside 24 hours you cannot request the upgrade for a BF flight even if R inventory opens up.