FiveThirtyEight ranked airports and airlines based on their performance from May 2014 to April 2015.
The caller claimed the flights were carrying some form of chemical weapons, they said.
Seaplanes have returned with a 'stubborn German nerd' at the controls.
The move came as Yemen's own national carrier, Yemenia, confirmed it was suspending all operations.
Damage to a plane is consistent with small-arms fire, officials say.
Skiplagged.com promotes a travel practice that airlines are not fans of.
The airline called the passenger's behavior "unruly," but she says JetBlue's policy is "no mean tweets."
The jets were brought down not far from the crash site of flight MH17, say the Ukrainian military