At Gatwick Airport there were 136 cancellations and only two planes an hour arriving.
She added that the Edinburgh-London route would remain well-served by services to Gatwick and Heathrow.
Gatwick Airport spokeswoman Sarah Baranowski said the runway was closed at 2230 GMT on Tuesday.
Decentralizing those connections by expanding Gatwick would undermine the "network effects" of having a centralized hub.
It is understood the messages, which have now been removed, related to planes flying from Gatwick.
Other rail operators including Gatwick Express and Southeastern also reported cancellations and revised timetables.
Other rail operators including Gatwick Express, Southern and Southeastern also reported cancellations and revised timetables.
Ideally, an expanded Gatwick or, to a lesser extent, Stansted could relieve the pressure.
Gatwick Airport said the new rules were slightly delaying passengers as pass through security checks.
Gatwick Airport said it had suffered minimal disruption, praising its new fleet of snow clearance vehicles.
Alongside Brook House, G4S also runs Tinsley House near Gatwick and Dungavel House in South Lanarkshire.
Gatwick said its "masterplan" for the airport contained a "scenario" for a new runway.
Campaigners against noise at Gatwick have disputed the economic benefits to the south east of night flying.
The owners of Gatwick Airport have appealed to the government to keep its current night flight quota.
Tesco reckon they've got a captive audience to try out their latest technology at Gatwick's North Terminal.
BBC: Tesco try out virtual grocery shopping at Gatwick Airport
Imagine next that inadequate capacity at Heathrow forces one of the routes to be flown from Gatwick.
Services are severely disrupted on Southeastern Trains and there is only one Gatwick Express train an hour.
Gatwick said the majority of its night flights take place between 23:30 and 01:00, and 04:00 and 05:00.
Michael Fay, 59, faked papers to get a job with Libyan firm Afriqiyah Airways, flying passengers into Gatwick.
I'm standing on a piece of tarmac that makes me think of the long-stay car-park at Gatwick Airport.
BBC: NEWS | Programmes | This World | The power of the ring thing
However, Gatwick - where flights had been suspended for 12 hours - was experiencing knock-on delays on Thursday.
The commission will also look at possible expansion at two other major London airports - Gatwick and Stansted.
Gatwick described its proposed price cap as "too demanding on the airport and would reduce our ability to invest".
The planned route would have dropped staff off at four points across England - Gatwick, Birmingham, Manchester and Newcastle.
However, Peter Barclay, from the Gatwick Area Conservation Campaign, said the claim of economic benefits is "difficult to understand".
He ordered 26 BA planes at different long-haul destinations to be flown to their London bases, Heathrow and Gatwick.
The interviews were conducted in South Wales, Birmingham, the Tinsley House detention centre near Gatwick airport, London and Crawley.
The consultation, which also includes Gatwick and Stansted Airports, closes on 22 April.
Heathrow and Gatwick Airports were among those airports to be shut, and major road and rail routes were disrupted.
And the lines, Steve, just to get into the airport terminals at Heathrow and at Gatwick have been daunting.
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