Frontier Airlines flight F9-190 had to return and make an emergency landing in Denver, Colorado, on October 12th.
The Airbus A319-100 plane took off for Austin, Texas, but had to turn back after it hit severe turbulence that injured a flight attendant.
The plane landed back safely.

Qantas flight QF-93 had to divert for an emergency landing in Sydney, Australia, on June 29th.

American Airlines flight AA-1427 made an emergency landing in Atlanta, Georgia, on May 11th.
Thomas Cook Airlines flight MT-1002 made an emergency landing at Lanzarote Airport, Spain, on June 28th.
AirAsia flight AK-10 made an emergency landing in Penang, Malaysia, on November 23rd.