Yes, because we are ALL treviling tim into the future at the rate of one second per second..
Time travel into the past MIGHT NOT be possible because entropy is NOT reversible with our current level of technology. The universe is NOE efficient and the universe is becoming mor cahotic and si ordered becaus entropy is increasing..
Even if you COULD go back in time and change one tiny thing, even accidentally, Would you KNOW that you had changed ALL of hisotry. Pobably not, would an laternat universe and time line split off from the UUniverse we ar familar with. Maybe. Mathematically that is passible..
EXACTLY what was the sequence of events in BOTH John Fitzgerald Kennedy's and Lee Harvey Oswald's lives that determined that JFK would be be assassinated on November 23, 1963.? NONE us know the answer to that question, How far back in EACH man's lives would you have to go back to change just ONE event that would make a difference.. Reagan almost Died when someone tried to assassinate HIM., yet his would be assassin is now free.
We are ALL time travelers., Much as some of us would like to rewind the clock of our lives and not make the mistake we made in the past, that is not going to happen. Miracles DO happen, but usually NOT in the way we expected them to happen..