Flight George Bush Intercontinental Airport departs from Houston George Bush Intercontinental Airport at 19:35 and arrives at Singapore Changi Airport at 07:55.The flight has a short stop at Manchester.
The flighttime is about -2h 0-40m. The distance travelled ("as the bird flies"): 17918 Km. So the average speed is roughly 0 Km.
There is an 13 hour time difference between Houston and Singapore