Travel technology and GDS provider Sabre has tracked flight movements for the past few days to illustrate how air traffic across the Atlantic and Europe has attempted to return to normality.
The data is held on the Sabre Flight Explorer system.
19 April 1600 UTC:
20 April 1000 UTC:
20 April 1400 UTC:
20 April 1800 UTC:
20 April 2300 UTC:
21 April 1000 UTC:
21 April 2100 UTC:
22 April 0900 UTC: