Customers holding restricted* tickets can make same-day flight changes for a discounted fee. Tickets containing Basic Economy (N) fares are not eligible for flight changes. MileagePlus PremierÂ® Gold, Premier Platinum and Premier 1KÂ® members may request a same-day change at no charge.
People in the experiment were deemed unconcious from 1.6 seconds to almost 10 seconds after the choke began. Others were not choked out after 20 seconds. If you held the person who was unconcious after 1.6 seconds for another 8 or 9 seconds, you could cause permanent brain damage or death.
The average person can last three minutes without air before they die. However I'm not sure how long it takes somebody to become unconscious. However if the drowning person is an athlete, swimmer or has developed larger that average lungs then it will take longer. The women's world record holder for free diving can hold her breath for six minutes without passing out. Source(s): TV.