Proposals for airport expansion due next summer must lead to "spades on the ground" by 2020, a report from the Confederation of British Industry has said.
The CBI also stressed the importance of having a single hub airport in the UK with spare capacity for new routes.
The Airport Commission is currently looking at two potential schemes to expand Heathrow, one to expand Gatwick, as well as the so-called 'Boris Island' plan for an airport in the Thames Estuary.
More top news
Tony Davies was the first civilian to reach Pc Palmer after he was stabbed during the Westminster attack.
Defiant Londoners put on a show of solidarity for the victims of the Westminster terror attack at a vigil in their honour.
Weather set to improve with plenty of sunshine by Saturday