Tokyo 's Haneda tops the list with on average 9 out 10 flights departing on time , but do n't expect to leave China 's main airports on time -- they prop up the list with only 1 out of 4 flights hitting their allotted take-off slot . Tokyo Airport is the best for on - time departures . Despite a patchy reputation , Atlanta comes in second . airports in China have the worst reputation for timely take - offs .
Tokyo Airport is the best for on - time departures . Despite a patchy reputation , Atlanta comes in second . airports in China have the worst reputation for timely take - offs .