The situation had come about through a “shortage of ground staff” at Zurich.
Passengers of WK226 said that the captain had blamed a long wait on the tarmac on a “shortage of trained personnel” but they were unaware that their bags were nowhere to be found.
Delays in ground handling meant that the luggage was running late, and the flight was operating close to the airport’s flight curfew.
After “one hour and 16 minutes, the situation was still unchanged, and for operational reasons we decided to fly to Bilbao without the baggage,” said Ampalam.
“We are working hard to ensure that all passengers receive their luggage back as quickly as possible,” said the airline, which said that all bags would be reunited with passengers by Monday.
Among the 111 affected passengers was a team of paragliders who said their holiday had been ruined, after arriving in Bilbao without equipment.
This is not the first time this year passengers’ bags have had to be left behind. In July, during the summer heat wave two Scoot Airways flights flew from Athens, Greece, to Singapore departed without luggage. The carried blamed reduced takeoff weight on record temperatures, which could affect the performance of the aircraft.