The flight began with a taxiing period from the parking to the runway, which took 5 minutes and covered less than 1 nautical mile. The aircraft, an Airbus A350-900, then departed from runway 19R at RJCC New Chitose Airport in Sapporo, Japan. The takeoff distance was 1,015 meters, which accounted for 34% of the runway. The liftoff speed was 151 knots.

The local weather conditions at the time of departure were characterized by a temperature of 4°C, with a wind speed of 13 knots at 150°. The crosswind component was 5 knots, while the headwind component was 12 knots. The aircraft climbed to a height of 38,959 feet above sea level, an increase of 37,868 feet from the initial altitude of 1,091 feet, in 14 minutes and covering a distance of 135 nautical miles.

The enroute climb started overhead RJCC New Chitose Airport and continued until the aircraft reached a level cruise altitude. The level cruise started 1 mile west of Hachinohe, Japan, and lasted for 25 minutes, covering a distance of 194 nautical miles. The aircraft then began its descent, starting 6 miles east of Sukagawa, Japan, and descending from 39,508 feet to 8,267 feet in 16 minutes and covering 100 nautical miles.

The aircraft then entered another level cruise phase, starting 2 miles northeast of Yotsukaido, Japan, and lasting for 2 minutes, covering a distance of 6 nautical miles. The descent phase started 5 miles southeast of Chiba, Japan, and the aircraft descended from 7,863 feet to 5,914 feet in 3 minutes and covering 13 nautical miles. The aircraft then entered another level cruise phase, starting 8 miles southwest of Mobara, Japan, and lasting for 3 minutes, covering a distance of 12 nautical miles.

The final descent phase started 8 miles southeast of Futtsu, Japan, and the aircraft descended from 5,816 feet to 1,812 feet in 6 minutes and covering 18 nautical miles. The aircraft then began its final approach to runway 34L at RJTT Tokyo Haneda International Airport, flying from the southeast and heading 331.0° at 3 nautical miles and 1,769 feet above ground level.

The landing on runway 34L was characterized by a touchdown point that was 827 meters beyond the touchdown zone. The touchdown speed was 133 knots, which was a little fast, and the touchdown rate was hard at -454 feet per minute. The runway touchdown alignment was perfect, and the local weather conditions at the time of landing were characterized by a temperature of 6°C, with a wind speed of 18 knots at 340°. The crosswind component was 3 knots, while the headwind component was 18 knots.

The total landing distance was 1,987 meters, which accounted for 66% of the runway. The runway rollout alignment was very good, and the aircraft then began taxiing to the parking from the runway, which took 4 minutes and covered less than 1 nautical mile. The total flight distance was 485 nautical miles, and the flight duration was 81 minutes. The aircraft used 8,702 kilograms of fuel during the flight.