Depends on the airline, I suppose. Air Canada used to fly 747-100s with 400 seats: http://www.aircanada.com/en/about/fleet/historical/b747-100.html http://www.

Depends on the airline, I suppose. Air Canada used to fly 747-100s with 400 seats: http://www.aircanada.com/en/about/fleet/historical/b747-100.html http://www.aircanada.com/en/about/fleet/historical/b747-100....