As the Icelandic ash cloud spreads to Britain, BTN gives a quick round-up of the latest travel news.
For the latest information, passengers are advised to check with their airline before departure.
British Airways says will not operate any flights between London and Scotland before 2pm at the earliest.
EasyJet has cancelled all flights to and from its Scottish bases – Edinburgh, Glasgow, Inverness and Aberdeen until at least 1pm today. Passengers flying to or from Newcastle, Belfast, Liverpool or Manchester are also advised to check with the airline before travelling.
Ryanair has been ordered by Irish authorities to cancel all flights to and from its Scottish airports (Glasgow, Prestwick, Edinburgh and Aberdeen until at least 1pm.
BMI has cancelled flights to Scotland. Routes affected include Heathrow and Aberdeen; Manchester and Aberdeen; Norwich and Aberdeen; Leeds Bradford and Edinburgh.
Flybe has cancelled all flights between Aberdeen and Birmingham, Manchester and London Gatwick; and between Inverness and Manchester and London Gatwick.
Aer Lingus said it had cancelled flights between Dublin and Glasgow, Edinburgh or Aberdeen; Shannon and Glasgow; and Cork and Glasgow.
KLM has cancelled more than 30 flights to and from Glasgow, Edinburgh, Aberdeen and Newcastle.
Loganair has cancelled 36 flights due to depart between 6am and 1pm.
What should you do if your flight is cancelled?
Contact your airline, travel agent or the airport for the latest information about travel arrangements.
If your flight is cancelled airlines should offer you either a full refund of your unused ticket or an alternative flight. EU-based airlines are required to offer you accommodation and meals if you are delayed in getting home to the UK.
What are your rights?
Following the ash cloud crisis in April 2010, it is possible to buy travel insurance specifically covers cancellation and delays due to ash cloud disruption. Your insurer can advise.
Where your travel policy covers ash disruption then you will be covered for this latest eruption, provided you took the policy out before this latest eruption could have been reasonably foreseen. Check with your insurer on this and any initial periods when cover may be limited.
How can you reclaim if you are delayed?
In order to reclaim ash flight and accommodation costs off your airline you will need to write to them, referencing the regulations and their responsibilities and including as many receipts as possible.
Under Regulation (EC) 261/2004 Article 5 you are entitled to be reimbursed or re-routed under Article 8 and also offered assistance, including accommodation, meals and transport under Article 9. Your expenses should be reasonable.