November 29, 2012 Competition Launch; Initial Training Set Released Entrants begin analyzing Initial Training Set. December 18, 2012 Public Leaderboard Set Released; Leaderboard Activated Entrants submit entries developed using the Initial Training Set.  Entries are scored against the Public Leaderboard Test Set. January 11, 2013 Augmented Training Set, Part 1 Released Entrants further develop entries using the Initial Training Set and the Augmented Training Set, Part 1.  Entries continue to be scored against the Public Leaderboard Test Set. February 8, 2013 Public Leaderboard frozen. Participating teams must have made at least one submission to the public leaderboard by this date. February 9, 2013 Augmented Training Set, Part 2 Released Public Leaderboard test data (with ground truth arrival times) is released Entrants further develop models using all available data; Entrants choose their best model and submit their model (see Submission Instructions). February 14, 2013 Model Submission Deadline (must include code or hash of code) March 4, 2013 Final Evaluation Set Released Entrants apply their previously submitted final model to the Final Evaluation Set to generate and submit their final predictions. March 11, 2013 Final Predictions Submission Deadline