A passenger enters an A321-211 aircraft of Russian Aeroflot airlines at Zurich airport, Switzerland April 16, 2019.
LSG Sky Chefs staff loads a trolley aboard an Airbus A320-214 of Edelweiss Air airline at Zurich airport Switzerland April 16, 2019.
The control tower is seen at Zurich airport, Switzerland April 16, 2019. Picture taken April 16, 2019.
Employees of air service provider Swissport unload luggage from an Airbus A320-214 aircraft of Edelweisss Air airline at Zurich airport, Switzerland April 16, 2019.
A general view shows the main entrance of Zurich airport, Switzerland April 16, 2019. Picture taken April 16, 2019. REUTERS/Arnd Wiegmann
The control tower is seen at Zurich airport, Switzerland April 16, 2019.
Luggage stored on trolleys is seen underneath an Airbus A320-214 aircraft of Edelweiss Air airline at Zurich airport, Switzerland April 16, 2019.
Luggage stored on trolleys is transported by air service provider Swissport at Zurich airport, Switzerland April 16, 2019.
Airline counters are seen at Zurich airport, Switzerland April 16, 2019.
An Airbus A320-214 aircraft of German Eurowings airline painted as team plane of German first league soccer club Borussia Dortmund (BVB) is seen at Zurich airport Switzerland April 16, 2019.
An Airbus A320-343 aircraft of Edelweiss Air airline takes-off behind an Airbus A320-214 aircraft at Zurich airport, Switzerland April 16, 2019.
Airline counters are seen at Zurich airport, Switzerland April 16, 2019.
Luggage stored on trolleys is transported by air service provider Swissport at Zurich airport, Switzerland April 16, 2019.
Travellers stand in front of the entrance of the Arrival 2 area at Zurich airport, Switzerland April 16, 2019.
An employee loads luggage on a mobile conveyor at Zurich airport, Switzerland April 16, 2019.
An Airbus A321-211 aircraft of Russian Aeroflot airlines is pulled by a Trepel pushback tractor of air service provider DNATA at Zurich airport, Switzerland April 16, 2019. Image for illustrative purposes.
An Airbus A320-214 aircraft of German Eurowings airline is seen at Zurich airport Switzerland April 16, 2019.
Travellers sit in a hall at Zurich airport, Switzerland April 16, 2019.
Gate Gourmet staff, part of Swiss airline catering firm Gategroup Holdings, loads a trolley aboard an Airbus A320-214 of Swiss airlines at Zurich airport, Switzerland April 16, 2019.
An aircraft of British Airways airlines is pulled by a Goldhofer pushback tractor of air service provider DNATA at Zurich airport, Switzerland April 16, 2019.
People look at displays showing arrivals and departures at Zurich airport, Switzerland April 16, 2019.
Business as usual at Zurich airport
