It was delayed 274 minutes (source Flightstats.com).
DEPARTURE ARRIVAL
Scheduled Departure:
4:15 PM - Sat Dec-8-2012
Scheduled Arrival:
7:05 PM - Sat Dec-8-2012
Actual Departure:
9:15 PM - Sat Dec-8-2012
Actual Arrival:
11:39 PM - Sat Dec-8-2012
You can also view an event log on there too.
Hope this helps