Flight Ninoy Aquino International Airport departs from Manila Ninoy Aquino International Airport at 02:50 and arrives at Tokyo Narita International Airport at 08:20.
The flighttime is about 4h 30m. The distance travelled ("as the bird flies"): 2624 Km. So the average speed is roughly 583 Km.
There is an 1 hour time difference between Manila and Tokyo