At 6:35 a.m.
American Airlines and United Airlines were the two airlines that had planes hijacked on 9/11.
there were 19 hijackers involved in 9/11 and they hijacked 4 planes ......
Three of the planes were American Airlines flights and one was from United Airlines,
The planes on 9/11 were hijacked by terrorists and deliberately flown into the towers.
2001.
American Airlines Flight 11 was hijacked first on September 11, 2001.
4 planes flight 11 , 175, 77. and 93 both united an American airlines
There were four planes that were hijacked on September 11. The hijackers were part of the terrorist group, al-Qaeda. Osama Bin Laden ordered the attacks.
Four airplanes were hijacked on 9/11.
the reason why is because the planes were hijacked.
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Four planes were hijacked. Two crashed into the World Trade Center, one crashed into the Pentagon, and one crashed in a field.