Strange FF situation?

Attempting to order UA FF tix for Oct, HNL-MIA. The date of 5th Oct shows white with a red border. What does this mean?

Attempting to order UA FF tix for Oct, HNL-MIA. The date of 5th Oct shows white with a red border. What does this mean?

The red border indicates this is the date you selected. The white means that only Standard awards may be available, not the savers...