Leeds Bradford Airport has been forced to close overnight amid a mystery "runway issue".
Would-be flyers have been urged to check with their airlines - with incoming flights to the 24-hour Yorkshire flight hub cancelled.
"Due to an unforeseen issue with the runway, we have had to take the decision to close the airport until the morning," a Leeds Bradford statement said late on Friday.
Repair teams are now racing against time to have the airport ready for Saturday morning.
"We are working to resolve the disruption as soon as possible, the safety and comfort of the passengers travelling through our terminal is our number one priority," the statement continued.
"Our team is on the ground in the terminal to answer any customer queries regarding departures."
A later update on the airport's website said it hoped to reopen by 6am.
Between 7.30pm on Friday and 7am on Saturday, every flight but one was either diverted or cancelled.
Leeds Bradford Airport (pictured) has been forced to close overnight
|PA
Arrivals from 16 tourist hotspots as far afield as Turkey and Portugal have been diverted, mostly to Manchester.
One flight from Palma was cancelled altogether.
Another, from Nice, was diverted to Paris Charles de Gaulle Airport - the only flight to land outside the UK.
Though a KLM flight from Amsterdam did make it to Leeds, touching down just before 11.30pm.
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Just one flight made it into Leeds on Friday evening - a KLM plane from Amsterdam (file photo)
|GETTY
Leeds Bradford was ranked among the worst-performing airports in Britain for cancellations last year.
On average, the hub saw 1.8 per cent of flights called off every month, according to Civil Aviation Authority (CAA) data.
Southampton (3.3 per cent) and London City (2.9 per cent) airports ranked in first and second, with Cardiff (2.2 per cent), Glasgow (2.1 per cent) and Leeds Bradford rounding out the top five.
Anton Radchenko, CEO of AirAdvisor, which analysed the CAA figures, blamed stormy weather, snow and fog for the cancelled flights.
“Storms Isha and Jocelyn in January 2024 had a particularly damaging effect on services to and from Leeds Bradford Airport," Mr Radchenko said.
“In July, the global IT outage resulted in around 5,000 flights worldwide being cancelled, in what was a very challenging few days for the aviation industry.
"Across the month, cancellations at the airport rose to 1.8 per cent. In June and August, the rate fell to less than 0.5 per cent for both months.”