Could you be thinking of:
* "A Time for Miracles" (2004) - TV movie: This is a 2-hour long movie about the life of Mother Teresa, starring Angelina Jolie.
* "A Time for Miracles" (2008) - documentary: This documentary about the miracles attributed to Mother Teresa is about 1 hour and 20 minutes long.
Please clarify which film you are asking about so I can give you the correct duration.