It said there were "no flames" during the incident, which led to 146 passengers scrambling onto the wing and evacuating from the plane on inflatable slides.
Delta blamed the smoke on a small amount of hydraulic fluid dripping onto the aircraft's auxiliary power unit - a small jet engine located in the rear of the plane.
Passengers on the flight took to social media to share videos and images from inside the plane, saying they felt sick and asking Delta what caused the smoke inside the cabin.
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That said, users are advised to take this information with a pinch of salt as nothing is officially confirmed at the moment. A couple of years already passed but the company has never released any mobile phone during the Consumer Electronics Show.
She says no major injuries were reported from smoke inhalation, but she has heard that a handful of passengers suffered minor injuries during the evacuation. A small number of passengers were treated and released, the airline said. Emergency personnel were dispatched to meet the passengers, he said. No direction from delta.
Rachel Naftel snapped pictures of the commotion Tuesday evening.
Scariest thing. After landing fumes through the vents and fire.
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"The safety of Delta's customers and crew is our top priority and we apologize for the concern this situation has caused", Delta said Wednesday in a statement.
"And maybe a minute later, they finally made the call to evacuate the plane". The photo does not appear to include any Delta crew members or emergency personnel. "As it was taxiing, smoke was reported in the cabin so the aircraft was safely evacuated". One photo shows a woman putting her arm to her mouth. The flight attendants instructed passengers to keep their heads down, he said.
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