Some passengers have had their half-term holiday plans turned upside down, after airlines including TUI and EasyJet cancelled scores of flights from UK airports.
With travellers also running into lengthy check-in queues at some airports, the huge demand for overseas flights has resulted in travel chaos. The problems have raised concerns that the looming summer holiday season could be seriously disrupted.
A combination of staff shortages and a surge in passenger numbers following the lifting of travel restrictions have resulted in serious problems at a number of airports.