![Heathrow Airport on Twitter: "All passengers are advised to check their flight status and travel advice before travelling to the airport. If you do not have a ticket or you are destined Heathrow Airport on Twitter: "All passengers are advised to check their flight status and travel advice before travelling to the airport. If you do not have a ticket or you are destined](https://pbs.twimg.com/media/EpszO2JXUAIZ45D.jpg:large)
Heathrow Airport on Twitter: "All passengers are advised to check their flight status and travel advice before travelling to the airport. If you do not have a ticket or you are destined
![Is it normal for a flight to be moved ahead by 4 hours, 1 hour before the flight takes off??[Southwest, 4/20 (Chicago ORD to Dallas Love Field)] : r/ Flights Is it normal for a flight to be moved ahead by 4 hours, 1 hour before the flight takes off??[Southwest, 4/20 (Chicago ORD to Dallas Love Field)] : r/ Flights](https://preview.redd.it/is-it-normal-for-a-flight-to-be-moved-ahead-by-4-hours-1-v0-zttolhdw6ava1.jpg?width=640&crop=smart&auto=webp&s=fe4bd4c1a69da3dbabe49a99f6f380e8dd63d556)
Is it normal for a flight to be moved ahead by 4 hours, 1 hour before the flight takes off??[Southwest, 4/20 (Chicago ORD to Dallas Love Field)] : r/ Flights
![Flightradar24 on Twitter: "#BA193 from London to Dallas returning to London due to medical emergency. https://t.co/kTR95ZQs8m https://t.co/5RcEuSMFAa" / Twitter Flightradar24 on Twitter: "#BA193 from London to Dallas returning to London due to medical emergency. https://t.co/kTR95ZQs8m https://t.co/5RcEuSMFAa" / Twitter](https://pbs.twimg.com/media/DupGNnPW0AE7uc0.jpg)
Flightradar24 on Twitter: "#BA193 from London to Dallas returning to London due to medical emergency. https://t.co/kTR95ZQs8m https://t.co/5RcEuSMFAa" / Twitter
![UK second worst country in Europe for flight delays and cancellations | The Independent | The Independent UK second worst country in Europe for flight delays and cancellations | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2018/05/02/23/flight-board-heathrow.jpg?quality=75&width=1200&auto=webp)
UK second worst country in Europe for flight delays and cancellations | The Independent | The Independent
![International Flight Network on Twitter: "American Airlines flight #AA37 from Madrid (MAD) to Dallas (DFW) is diverting to London Heathrow (LHR) https://t.co/sp3lwDKluJ https://t.co/l966QbTEhz" / Twitter International Flight Network on Twitter: "American Airlines flight #AA37 from Madrid (MAD) to Dallas (DFW) is diverting to London Heathrow (LHR) https://t.co/sp3lwDKluJ https://t.co/l966QbTEhz" / Twitter](https://pbs.twimg.com/media/D2WQTkwWsAEXmrf.jpg:large)