Dhaka, April 4 -- Pilots of Southwest Airlines Flight WN3278 attempted to take off from a taxiway at Orlando International Airport on March 20. However, the ATC could restrict the departure well before the aircraft even reached V1 speed.

Flight WN3278 is a scheduled daily flight from Orlando to Albany in the United States. Southwest was operating the flight with a Boeing 737-800, registered N8315C, on the day of this event.

At around 9:30 local time, the air traffic control instructed flight WN3278 to line up on runway 17R and begin its takeoff roll. Mistakenly, the pilots lined up the 737 along taxiway H, which is parallel to runway 17R, and began rolling for departure.

At that point, an air traffic controller noticed the unusual move...