Return Trips Already Booked
The Titanic was supposed to stop in Manhattan, New York City to let the first and second-class passengers disembark. Then, it would travel to Ellis Island to let the third-class passengers disembark. Titanic had a return trip for April 20th scheduled and even another trip overseas on December 28th.
Extremely Fast Sinking
It's estimated that once the Titanic hit the iceberg, it took 2 hours and 40 minutes for the entire ship to go under. In the past, other ships took around 12 hours to fully sink. It's fully believed that if the Titanic stayed afloat longer, more people would have been saved.