A first-class ticket to a tantrum

Incidents of air rage from passengers are four times more likely if the plane has premium seating rather than just a single economy-class cabin. University of Toronto researchers said the awareness of inequality on board is comparable to the effects of a nine-and-a-half-hour delay.The study compared flights that had separate classes with those that did not, as well as planes that boarded from the front - so that economy passengers have to walk through what they are missing out on .