Source Code is a 2011 French-American science fiction film directed by Duncan Jones, written by Ben Ripley, and starring Jake Gyllenhaal, Michelle Monaghan, and Vera Farmiga. The film had its world premiere on March 11, 2011 at South by Southwest, and was released by Summit Entertainment on April 1, 2011 in North America and Europe. Wikipedia
Dr. Rutledge: Source Code is not time travel. Rather, Source Code is time re-assignment. It gives us access to a parallel reality.