| One in every 1,205 flights has an incident with unruly passengers |
The number of incidents of unruly behaviour by airline passengers rose sharply in 2015.
| Bad behaviour on planes is on the up |
Some 10,854 incidents of passengers disrupting flights were reported to IATA last year, up from 9,316 incidents in 2014. That's one incident for every 1,205 flights.