Initially, Ryanair did not appear to do much in reaction to the video, shot by fellow passenger David Lawrence, showing an unidentified man calling the woman an "ugly black b******" and "stupid ugly cow".
The footage, shared by United Kingdom resident David Lawrence, was taken before takeoff on a flight from Barcelona to London on Thursday, and shows the male passenger speaking aggressively to a 77-year-old woman seated in his row.
Video of the racist incident, uploaded to social media by Briton David Lawrence, showed a man hurling racist insults at an elderly black woman sitting in the same row and demanding she move seats onboard a flight from Barcelona to London on Friday.
Passengers attempted to help the woman and her daughter, with many calling for him to be taken off the flight.
She said she took her mum, who migrated to the United Kingdom from Jamaica in the 1960s, on holiday to mark the anniversary of her mother's husband's death.
Footage shows the man shouting at the woman to move seats while her daughter tries to stand up to him, telling him her mother is disabled.
A passenger a row behind them eventually steps up and deescalates the situation some, telling the man there's no need for that behavior.
The DfT said it would work with airlines and airports "to look at what more can be done to deal with disruptive passengers".
Shockingly, the crew member then checks on the welfare of the man and ignores calls from other passengers to have the man booted from the flight.
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He replies: 'I don't care whether she's f****** disabled or not - if I tell her to get out she gets out'.
This included Shadow Transport spokesperson Karl Turner who said he will continue to raise the incident in parliament.
One person said: 'He should have been kicked off the flight and she should have been moved to FIRST CLASS'. If it was he definitely committed criminal offences.
Christine Beresford wrote: "Glad to see the man behind them intervened".
"We will be taking this matter further and disruptive or abusive behaviour like this will result in passengers being banned from travel".
Euronews has contacted the flight company and Essex Police for comment.
"We are working closely with Ryanair and the Spanish authorities on the investigation".
It asked anyone with information to call 101 or Crimestoppers, anonymously, on 0800 555 111.