The FTSE 250 was up 0.15% at 19,038.42 at 1420 BST.
Shares in low-cost carrier easyJet fell after the company’s Spanish cabin crew said they intended to strike for nine days in July as part of an effort to secure better wages.
Local union USO revealed on Tuesday that easyJet’s staff will walk out between 1 July and 3 July, 15 July and 17 July, and 29 July and 31 July, potentially adding to existing headwinds in the travel sector as it struggles to deal with rebounding demand.
EasyJet flight attendants in Spain have demanded a 40% hike in basic salaries, according to USO general secretary Miguel Galan.
Rival airline Wizz Air was also lower on the news, while shares in holiday giant TUI were also lower on sentiment.
FTSE 250 – Risers
Baltic Classifieds Group (BCG) 141.00p 6.02%
PZ Cussons (PZC) 201.00p 4.47%
Aston Martin Lagonda Global Holdings (AML) 550.00p 4.09%
Spire Healthcare Group (SPI) 222.00p 3.50%
Genuit Group (GEN) 402.00p 3.47%
Oxford Instruments (OXIG) 2,025.00p 3.42%
Auction Technology Group (ATG) 873.00p 2.83%
CMC Markets (CMCX) 273.50p 2.82%
Telecom Plus (TEP) 1,810.00p 2.38%
Indivior (INDV) 289.00p 2.34%
FTSE 250 – Fallers
easyJet (EZJ) 422.00p -4.89%
Network International Holdings (NETW) 181.00p -3.77%
IntegraFin Holding (IHP) 235.80p -3.76%
TUI AG Reg Shs (DI) (TUI) 159.95p -3.12%
Wizz Air Holdings (WIZZ) 2,044.00p -3.08%
Polymetal International (POLY) 193.95p -3.03%
RHI Magnesita N.V. (DI) (RHIM) 2,246.00p -3.02%
Darktrace (DARK) 314.00p -2.91%
FDM Group (Holdings) (FDM) 884.00p -2.75%
FirstGroup (FGP) 132.80p -2.35%