A Condor aircraft is parked on the tarmac at Frankfurt International Airport, amid the spread of the coronavirus disease (COVID-19) in Frankfurt, Germany, June 4, 2020. REUTERS/Ralph Orlowski

A Condor aircraft is parked on the tarmac at Frankfurt International Airport, amid the spread of the coronavirus disease (COVID-19) in Frankfurt, Germany, June 4, 2020. REUTERS/Ralph Orlowski

Grounded planes of German air carrier Lufthansa and Condor are parked at the airport as the spread of coronavirus disease (COVID-19) continues in Frankfurt, Germany, June 2, 2020. REUTERS/Kai Pfaffenbach

Neighbours stand on their balcony alongside a Basque flag with a black ribbon, on the 83rd anniversary of the bombing of the Basque town of Guernica by Germany's Condor Legion, in Guernica, Spain, April 26, 2020, during the coronavirus disease (COVID-19) outbreak. REUTERS/Vincent West

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, pose with a model airplane after a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, pose with a model airplane after a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, pose with a model airplane after a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, pose with a model airplane after a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, pose with a model airplane after a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Rafal Milczarski, CEO of LOT Polish Airlines, address a news conference with Ralf Teckentrup, chief of Condor airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, address a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, address a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, address a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Rafal Milczarski, CEO of LOT Polish Airlines, address a news conference with Ralf Teckentrup, chief of Condor airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Condor CFO Christoph Debus attends a news conference of Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Condor CFO Christoph Debus attends a news conference of Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Bartosz Piechota, Vice President of the Management Board of PGL attends a news conference of Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, address a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, address a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, address a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup, chief of Condor airlines looks on during a news conference with Rafal Milczarski (R), CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup (C), chief of Condor airlines smiles during a news conference with Rafal Milczarski (R), CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Ralf Teckentrup (C), chief of Condor airlines, and Rafal Milczarski (R), CEO of LOT Polish Airlines, address a news conference in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Flight attendants pose before a news conference of Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Flight attendants pose before a news conference of Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Flight attendants pose before a news conference of Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Two flight attendants pose before a news conference of Ralf Teckentrup, chief of Condor airlines, and Rafal Milczarski, CEO of LOT Polish Airlines, in Frankfurt, Germany, January 24, 2020. REUTERS/Ralph Orlowski

Passenger jets operated by Condor, a Thomas Cook subsidiary, are seen on the runway at Hurghada International Airport, Egypt January 6, 2020. Picture taken January 6, 2020. REUTERS/Amr Abdallah Dalsh

Passenger jets operated by Condor, a Thomas Cook subsidiary, are seen on the runway at Hurghada International Airport, Egypt January 6, 2020. Picture taken January 6, 2020. REUTERS/Amr Abdallah Dalsh

Passenger jets operated by Condor, a Thomas Cook subsidiary, are seen on the runway at Hurghada International Airport, Egypt January 6, 2020. Picture taken January 6, 2020. REUTERS/Amr Abdallah Dalsh

Workers fill a fuel tank of a passenger jet operated by Condor, a Thomas Cook subsidiary, on the runway at Hurghada International Airport, Egypt January 6, 2020. Picture taken January 6, 2020. REUTERS/Amr Abdallah Dalsh

Bolivia's interim President Jeanine Anez and a high ranking military officer hold a presidential baton during a ceremony at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivia's interim President Jeanine Anez and Defense Minister Luis Fernando Lopez attend a ceremony at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivia's interim President Jeanine Anez attends a ceremony with army officers at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivian army soldiers march during a ceremony at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivia's interim President Jeanine Anez speaks during a ceremony with army officers at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivian army soldiers are seen during a drill at the Military Condor School in Sanandita, Bolivia, December 14, 2019. REUTERS/David Mercado

A woman listens to her phone inside a tent during a ceremony with army officers at the Military Condor School in Sanandita, Bolivia, December 14, 2019. REUTERS/David Mercado

Bolivian army soldiers are seen during a drill at the Military Condor School in Sanandita, Bolivia, December 14, 2019. REUTERS/David Mercado

A Bolivian army soldier aims his weapon during a drill at the Military Condor School in Sanandita, Bolivia, December 14, 2019. REUTERS/David Mercado

Bolivian army soldiers are seen during a drill at the Military Condor School in Sanandita, Bolivia, December 14, 2019. REUTERS/David Mercado

Bolivia's interim President Jeanine Anez smiles as she attends a ceremony with army officers at the Military Condor School in Sanandita, Bolivia, December 14, 2019. REUTERS/David Mercado

Bolivia's interim President Jeanine Anez attends a ceremony with army officers at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivia's interim President Jeanine Anez attends a ceremony with army officers at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivian army officers take part in a ceremony at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivian army officers take part in a ceremony at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Bolivian army officers take part in a ceremony at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

A Bolivian army officer takes part in a ceremony at the Military Condor School in Sanandita, Bolivia December 14, 2019. REUTERS/David Mercado

Airplanes with the logos of air carrier Condor by Thomas Cook are seen at the airport in Frankfurt, Germany, September 24, 2019. REUTERS/Kai Pfaffenbach

An airplane with the logo of air carrier Condor by Thomas Cook (C) is seen between two Lufthansa airplanes at the airport in Frankfurt, Germany, September 24, 2019. REUTERS/Kai Pfaffenbach

An airplane with the logo of air carrier Condor by Thomas Cook is seen at the airport in Frankfurt, Germany, September 24, 2019. REUTERS/Kai Pfaffenbach

A banner reding "Condor we love flying" is seen next to a check-in counter of airline Condor at the airport in Frankfurt, Germany, September 24, 2019. REUTERS/Kai Pfaffenbach

An emergency exit sign is seen next to the logo of airline Condor at the airport in Frankfurt, Germany, September 24, 2019. REUTERS/Kai Pfaffenbach

Passengers are silhouetted in front of a closed service counter of travel agent Thomas Cook and airline Condor at the airport in Frankfurt, Germany, September 24, 2019. REUTERS/Kai Pfaffenbach

An airplane with the logo of air carrier Condor by Thomas Cook is seen at the airport in Frankfurt, Germany, September 24, 2019. REUTERS/Kai Pfaffenbach

An Airbus A320 of Condor Airlines lands at the airport in Hamburg, Germany September 24, 2019. REUTERS/Fabian Bimmer

An Airbus A320 of Condor Airlines passes a Lufthansa plane as it lands at the airport in Hamburg, Germany September 24, 2019. REUTERS/Fabian Bimmer

An Airbus A320 of Condor Airlines lands at the airport in Hamburg, Germany September 24, 2019. REUTERS/Fabian Bimmer

An Airbus A320 of Condor Airlines lands at the airport in Hamburg, Germany September 24, 2019. REUTERS/Fabian Bimmer

An Airbus A320 of Condor Airlines lands at the airport in Hamburg, Germany September 24, 2019. REUTERS/Fabian Bimmer