Tens of thousands of British Airways passengers encountered long delays and possible missed connections after another major IT failure.
On Monday evening passengers at London Heathrow Terminal 5, as well as airports abroad, say they have been told communications systems have failed.
In one example, flight BA365 from Lyon to Heathrow remained on the ground in France for two hours 40 minutes, rather than the expected one hour.
The three evening departures from Manchester to Heathrow all arrived at least two hours late, jeopardising connections to destinations such as Abu Dhabi, Cape Town and Rio.
The airline’s website, ba.com, and its app also failed for a time – with a message reading: “We are experiencing high demand on ba.com at the moment.”
Problems began shortly after 5pm GMT. Some outbound British Airways flights from Heathrow were delayed by up to two hours, including departures to Geneva, Larnaca, Vienna, Vancouver and Dusseldorf.
Domestic flights to and from Aberdeen, Edinburgh, Glasgow and Newcastle were running an hour or more late.
Arrivals from Continental airports are typically being delayed by an hour or more. The final flight from Europe, BA861 from Prague, touched down a few minutes before midnight. Normally arrivals are scheduled to end at 10.55pm.
Hector McNeil wrote on X: “British Airways cmon let’s have some updates pls on the pc outage. Stuck in Vienna!!!!”
His BA Airbus A319 landed on schedule at the Austrian capital from Heathrow shortly before 6pm, but left nearly two hours late.
Between 5.45pm and 8.45pm only one of dozens of scheduled British Airways departures from Heathrow was on time: a flight to Rome.
With limits on the hours in which planes can depart and arrive at Heathrow, any disruption can swiftly lead to cancellations.
In addition, the complex air-traffic control operation at Heathrow requires a steady flow of departures and arrivals in order to function properly.
Any “bunching” of flights can swiftly lead to widespread disruption.
Many passengers flying into Heathrow in order to transfer to departing overnight flights are likely to miss their connections. For example the early evening flights from Edinburgh and Glasgow, due in shortly before 7pm, were…
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