Amid a swathe of amber and yellow warnings, the Met Office has warned of 60mph winds, snow and ice until Monday - as a million people remain without power.
The hurricane-force gusts from Storm Eowyn will continue to strike into this evening with a rare red warning in place until 5pm in Scotland and an amber warning running until 6am tomorrow.
British Airways flight BA274 from Las Vegas to Heathrow reached near-record speeds of 814mph on Wednesday - more than 200mph faster than the average transatlantic speed.
MAILONLINE BLOG: Storm Eowyn struck the UK and Ireland with hurricane-force winds today - cancelling flights, trains and ferries as 114mph gusts pose a danger to life.
Storm Eowyn caused mayhem across the British Isles today with 114mph winds axing 1,000 flights across the UK and Ireland, closing hundreds of schools and halting all trains in Scotland.
According to data from Flight Radar, a British Airways flight BA274 from Las Vegas to Heathrow reached a ground speed of 814mph - approximately 260mph faster than its typical top speed.
Storm Eowyn has sparked travel mayhem with thousands of trains, hundreds of flights and dozens of ferries cancelled as the UK set to be battered with 100mph hurricane-force winds.