Weather forecasters are warning of major travel disruptions over the coming days, so consumers should know their refund and compensation rights in case of problems.
Freezing fog has played havoc with air travel this morning, but if your flight has been cancelled, you're still entitled to a refund or an alternative trip, plus possible compensation.
Charges for taking hand luggage on flights could become more widespread if a recently-adopted policy catches on, adding to the array of fees imposed by airlines.
From next Monday travellers will have a clearer idea about whether their holiday is financially protected, as they'll be given a certificate if they book an Atol-covered trip.