North American X-15
Fastest recorded flights

North American X-15

Section Title: Fastest recorded flights
Table Section Text: None

Flight	Date	Top speed	Altitude	Pilot

Flight 45	9 November 1961	4,092 mph (6,585 km/h)	19.2 mi (30.9 km)	Robert M. White

Flight 59	27 June 1962	4,104 mph (6,605 km/h)	23.4 mi (37.7 km)	Joseph A. Walker

Flight 64	26 July 1962	3,989 mph (6,420 km/h)	18.7 mi (30.1 km)	Neil A. Armstrong

Flight 86	25 June 1963	3,910 mph (6,293 km/h)	21.7 mi (34.9 km)	Joseph A. Walker

Flight 89	18 July 1963	3,925 mph (6,317 km/h)	19.8 mi (31.9 km)	Robert A. Rushworth

Flight 97	5 December 1963	4,017 mph (6,465 km/h)	19.1 mi (30.7 km)	Robert A. Rushworth

Flight 105	29 April 1964	3,905 mph (6,284 km/h)	19.2 mi (30.9 km)	Robert A. Rushworth

Flight 137	22 June 1965	3,938 mph (6,338 km/h)	29.5 mi (47.5 km)	John B. McKay

Flight 175	18 November 1966	4,250 mph (6,840 km/h)	18.7 mi (30.1 km)	William J. "Pete" Knight

Flight 188	3 October 1967	4,520 mph (7,274 km/h)	19.3 mi (31.1 km)	William J. "Pete" Knight

Sentence(s)

The X-15's record for the highest speed was recorded by Flight 188 set in October 1967, when William J. Knight flew at a speed of 4,520 miles per hour (7,274 km/h).

final_sentence: The X-15's record for the highest speed was recorded by Flight 188 set in October 1967, when William J. Knight flew at a speed of 4,520 miles per hour (7,274 km/h).