Upgrading one direction of a transcon and also using a credit from a canceled nonrefundable ticket:
Originally Posted by co.com booking confirmation
1 Adults (age 18 to 64) $223.00
1 Upgrade Reward(s) 15,000 Miles
Ticket Taxes/Fees $42.40
Subtotal (without travel certificate(s)) $15,000.00
Travel Certificate $118.60
Total Price $146.80
Might be nice to report the subtotal as $223.00+$42.40 = $265.40, and not as $15,000.00. @:-) Apparently paying in miles and $$$ at the same time is too confusing.