The timeline lists "Sled tracks seen to broken bond ice, EMS called" at 16:44. He was pulled from the water at 18:57. The article text further clarifies:
Parents discovered sled tracks from home onto broken pond ice through which he fell.
He left the house at 16:00, which is why they give the range of 147 to 177 minutes.
Parents discovered sled tracks from home onto broken pond ice through which he fell.
He left the house at 16:00, which is why they give the range of 147 to 177 minutes.