4 different family members
1 Had 2 closed Barclay US Airway/AA Cards ~ 20 months v ago
One open Barclay AA Red Card
2 Had 2 closed Barclay US Airway/AA Cards ~ 20 months +/- ago
One open Barclay AA Card No Fee, downgrade from Aviator few months ago
3 Had 2 closed Barclay US Airway/AA Cards more than 20 months ago
4 Had 1 closed Barclay US Airway/AA Card more than 20 months ago

Instant approval for 3 and 4, instant decline for 1 & 2. However I was able to call and manually review/ re-allocate credit line get 1 & 2 open.