India, May 3 -- The UK government is preparing new contingency measures that would allow airlines to cancel flights in advance this summer without losing valuable take-off and landing slots at major airports. The move comes amid growing concerns over possible jet fuel shortages in Europe.

Under the proposed plan, airlines would be able to trim schedules weeks ahead instead of making last-minute cancellations that often leave passengers stranded. Carriers may also merge multiple daily flights on the same route and move passengers to alternate departures.

Politician Heidi Alexander said there is currently no disruption to jet fuel supplies, but described the situation as evolving. She added that most travellers are expected to have a simi...