Menghitung Waktu kedatangan

arrival_time.php

<?php
$distance = 2000; //KM
$average_speed = 19; //KMh

$travel_time = $distance / $average_speed;

$departure_time = "2019-05-30 12:30:56";

$split = explode(".", $travel_time);
$hours = $split[0];

$minutes = ($travel_time - $split[0]) * 60;
$split_minutes = explode(".", $minutes );
$fix_minutes = $split_minutes[0];

$second = round(($minutes - $split_minutes[0]) * 60);

$date = new DateTime($departure_time);
$date->add(new DateInterval("PT".$split[0]."H".$fix_minutes."M".$second."S"));
echo $date->format("Y-m-d H:i:s");