Germany's Lufthansa Group has retaken the crown as Europe's largest airline by passenger numbers from Ryanair after the Irish budget carrier was forced to cut thousands of flights because of pilot rostering problems.
The Lufthansa group as a whole carried 130 million passengers last year, it said on Wednesday. The equivalent figure from Ryanair was 129 million, meaning Ryanair slips behind Lufthansa after overtaking it in 2016.
Lufthansa has grown rapidly, having taken over Brussels Airlines at the end of 2016 and aiming to grow its budget brand Eurowings to become Europe's third largest point-to-point carrier.
The group, which also includes Swiss and Austrian Airlines, has also benefited from the collapse of German rival Air Berlin in the latter part of 2017. Air Berlin, Germany's second largest carrier, ceased flying in October.
Ryanair, meanwhile, has curbed its growth plans after a pilot rostering issue left it without enough standby pilots to fly its planes, forcing it to cancel 20,000 flights.
Air France-KLM reported a 5.6 per cent rise in group passenger numbers to 98.7 million, helped by its low-cost carrier Transavia.
IAG, the parent company of British Airways and Aer Lingus, carried 104.8 million people in 2017, an increase of 4 per cent.
Lufthansa was already the largest in terms of distance, or revenue passenger kilometres (RPK), as it operates flights over both long and short distances, while Ryanair flies only short-haul routes using 737 single-aisle planes.
Most airlines use RPK as their main measure of traffic, but Ryanair does not provide the figure in its monthly updates.
In a statement the airline said Lufthansa had overtaken it as it grew “by acquisition whereas Ryanair continues to grow organically”. The Irish budget airline said it expects to overtake Lufthansa again next year.