unitedcargo.com says it left early, unless it actually left 22 hours late and the site doesn't have a way to display that, which seems more likely:
Flight Number: 803 Flight Date: Sunday, Dec 7, 2008
Origin Airport Destination Airport Type of Aircraft Scheduled Departure Time Adjusted Departure Time Scheduled Arrival Time Adjusted Arrival Time Reason for delay
IAD NRT 12:27 10:40 16:40 15:07 OPERATIONS
NRT SIN 17:55 17:53 00:25 00:34 OPERATIONS