Thomas Cook's German airline, Condor, was acquired by Polish Aviation Group in January 2020. The Frankfurt-based carrier also reverted to its original logo earlier this year.
Nouvelair has expanded its UK presence to include scheduled links from Manchester and Gatwick to Enfida. Previously the Tunisian carrier had only operated charters to the UK.
EasyJet acquired Gatwick slots vacated by the airline. The Luton-based low-cost carrier has also started a package holiday arm.
TUI Airways has increased its frequencies between the UK and Tunisia by 63% to offer 375,666 seats this summer.
Jet2.com acquired Thomas Cook Airlines' slots at Birmingham, London/Stansted and Manchester.
Thomas Cook was the third British airline to cease trading within two years, following the collapse of Monarch Airlines and Flybmi.
While many of the defunct carrier's Airbus A321s have been placed with other airlines, only one of its seven A330-200s has returned to service.
Six Airbus A321-200s have joined VietJet Air, including G-TCDM (c/n 7003).
The two oldest former Thomas Cook A321s, G-DHJH (cln 1238) and G-NIKO (c/n 1250), are to be converted for freighter use by Elbe Flugzeugwerke in Seletar, Singapore. The jets are expected to join Stansted-based Titan Airways later this year.
Leeds Bradford-based Jet2.com has taken on seven of the defunct leisure airline's Airbus A321s, as well as purchasing landing rights.