The woman, dressed in a BA uniform, apparently filmed herself as she was about to fly from London Heathrow to Abuja on Friday night.
The footage was recorded in her car and has been circulated among shocked cabin crew who reported it to BA.
According to Mailonline, the airline said today:
'We expect the utmost professionalism from our staff when they are representing British Airways. We are investigating this videoIn the expletive-filled footage, the unidentified woman said
'all Nigerians are going to be asking for f****** upgrades' - after claiming the men would need more leg room in an apparent joke about the size of their privates.During the one-minute clip, broadcast on Snapchat, the blonde female worker also revealed how she was going to deal with passengers on the six-hour flight.
The woman filmed herself saying:
'Alright, so all of yous are there getting ready for your Friday night, getting in the pre-drinks, you know, as you do.
'And I'm here, getting ready to go to work, put on a yellow life jacket, point out the exits, hand out chicken or beef, what sort of Friday night is this for me?
'The upside is I'm going to Nigeria and there's gonna be bare B**, I'm joking, I'm joking.
All the Nigerians are gonna be there like 'gimme Coca Cola, gimme me beef, why you have no beef left? I want beef.'
'And I'm just gonna be there like, 'Sorry sir, we ran out of beef'.
'All the Nigerians are gonna be there asking for f****** upgrades because they haven't got enough leg room because their B**s are in their way. Big d**** like this swinging from side to side.'
A source told MailOnline that the video - which was captioned 'I can't cope with this flight' - was circulated among 'horrified' BA cabin crew who are 'very concerned'.