A Delta Air Lines flight to New Orleans Sunday morning was forced to return to Boston after a “smoky odor” was detected in the aircraft’s cabin, the airline said.

A Delta Air Lines flight bound for New Orleans returned to Boston Logan International Airport on Sunday after a “smoky odor” was detected in the cabin, officials said. Flight DL1398, carrying 87 passengers, three flight attendants, and two pilots, declared an emergency shortly after takeoff to get priority handling from air traffic control.

The incident is among a series of flight safety incidents across North America in recent weeks, including a deadly plane collision in Washington D.C. in January.