Wrth baratoi i ymadael â'r UE ym mis  Mawrth 2019, mae Cymru wedi cymryd cyfres o fesurau proactif i liniaru effaith Brexit ar yr economi yng Nghymru. Mae 80% o fasnach busnesau o Gymru gyda gweddill y DU.Yn ogystal â gweithredu i gryfhau Undeb y DU yn ystod cyfnodau anodd, bydd gwell mynediad i wasanaethau awyr domestig rhwng Caerdydd a bob rhan o'r DU yn gwella datblygiad a chyfleoedd economaidd, gan gryfhau'r economi leol yng Nghymru a chyfrannu at Brydain Fawr mwy llewyrchus.
In preparation for exiting the EU in March 2019, Wales has been taking a range of pro-active measures to mitigate the impact of Brexit on the Welsh economy. 80% of Welsh businesses’ trade is with the rest of the UK. As well as acting to strengthen the Union of the UK in difficult times, improved access to domestic air services to and from Cardiff with all parts of the UK will enhance economic development and opportunity, strengthening the local economy in Wales and contributing to a more prosperous Great Britain.