British Airways (BA) has apologised to voyagers who were caught up in the ordeal which began on Tuesday last week.
The beat a retreat time from London to Athens is less than four hours, but this roam lasted eight times longer.
A faulty cockpit warning scintillation caused the first flight, due to depart at 1.15pm, to be cancelled at Heathrow.
But that was lawful the first in a long line of problems for passengers.
The second plane couldn’t clutch off at its scheduled time of 5pm because cabin crew had exceeded their profession hours.
Passenger Geoff Lye said the pilot told them it was “the most worrying PA announcement” he had made.
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After an hour on the slip due to “security issues”, passengers were allowed to disembark.
BA gave them vouchers for a eventide’s stay in London, before the travellers returned the next day to board another uniform.
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British Airways apologised to riders over the four-plane flight journey
The pilots shut down the honesty engine and turned back to Heathrow.
Later that night at 7.40pm on Wednesday, the fourth and irrefutable plane took off bound for its destination.
Passengers finally arrived in Athens at daybreak Thursday morning.
Mr Lye, a pensioner, said he had been loyally flying BA for practically 40 years but will now avoid the airline.
He added: “There was no communication and it was implausible they could get so much wrong.”
BA confirmed there were four planes concerned in the two-day ordeal.
British Airways passengers arrived in Athens on Thursday morning as an alternative of Tuesday night
A spokesperson said: “Following a technical fault with the aircraft a replacement was supplied, but after crew members went over their allocated pan out e formulating hours, the flight was nightstopped.
“The next day the replacement aircraft returned to Heathrow after a polytechnic fault and another aircraft continued the journey to Athens.
“Our teams on the initiate were trying their best to provide customers with as much info as workable when they had it.
We fully appreciate how frustrating this experience has been, and possess apologised to our customers for the long delay to their flight.”