People take photos as they watch the Comac C919, China's first large passenger jet, make its first commercial flight at Shanghai Hongqiao International Airport in Shanghai, China May 28, 2023. REUTERS/Aly Song 

A Comac C919, China's first large passenger jet, flies away on its first commercial flight from the Shanghai Hongqiao International Airport in Shanghai, China May 28, 2023. REUTERS/Aly Song 

A Comac C919, China's first large passenger jet, flies away on its first commercial flight from the Shanghai Hongqiao International Airport in Shanghai, China May 28, 2023. REUTERS/Aly Song 

A Comac C919, China's first large passenger jet, flies away on its first commercial flight from the Shanghai Hongqiao International Airport in Shanghai, China May 28, 2023. REUTERS/Aly Song 

A Comac C919, China's first large passenger jet, flies away on its first commercial flight from the Shanghai Hongqiao International Airport in Shanghai, China May 28, 2023. REUTERS/Aly Song 

People take photos as they watch the Comac C919, China's first large passenger jet, make its first commercial flight at Shanghai Hongqiao International Airport in Shanghai, China May 28, 2023. REUTERS/Aly Song 

A combination picture shows Manchester City manager Pep Guardiola celebrating with the Premier League trophy for each time he has won England's top flight domestic league. Yesterday, the Spaniard guided his side to their fifth title in six years. May 22, 2023 Action Images via Reuters/Carl Recine, REUTERS/Toby Melville, REUTERS/Hannah Mckay, Pool via REUTERS/Dave Thompson 

Opposition activists protest against Georgian authorities' decision issuing a permit to Russian airline Azimuth to operate direct flights between Russia and Georgia, outside the parliament building in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

Opposition activists protest against Georgian authorities' decision issuing a permit to Russian airline Azimuth to operate direct flights between Russia and Georgia, outside the parliament building in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

Opposition activists protest against the arrival of a plane heading from Moscow, following Georgian authorities' decision issuing a permit to Russian airline Azimuth to operate direct flights between Russia and Georgia, outside an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

Police officers stand guard as opposition activists protest against the arrival of a plane heading from Moscow, following Georgian authorities' decision issuing a permit to Russian airline Azimuth to operate direct flights between Russia and Georgia, outside an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

Opposition activists protest against the arrival of a plane heading from Moscow, following Georgian authorities' decision issuing a permit to Russian airline Azimuth to operate direct flights between Russia and Georgia, outside an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

A passenger plane of Russian airline Azimuth, which arrived from Moscow following Georgian authorities' decision issuing a permit to operate direct flights between Russia and Georgia, is seen through a barbed wire fence at an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

A passenger plane of Russian airline Azimuth, which arrived from Moscow following Georgian authorities' decision issuing a permit to operate direct flights between Russia and Georgia, is seen through a barbed wire fence at an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

A passenger plane of Russian airline Azimuth heading from Moscow lands on the runway, following Georgian authorities' decision issuing a permit to operate direct flights between Russia and Georgia, at an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

Opposition activists protest against the arrival of a plane heading from Moscow, following Georgian authorities' decision issuing a permit to Russian airline Azimuth to operate direct flights between Russia and Georgia, outside an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

Opposition activists protest against the arrival of a plane heading from Moscow, following Georgian authorities' decision issuing a permit to Russian airline Azimuth to operate direct flights between Russia and Georgia, outside an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

Police officers stand guard as opposition activists protest against the arrival of a plane heading from Moscow, following Georgian authorities' decision issuing a permit to Russian airline Azimuth to operate direct flights between Russia and Georgia, outside an airport in Tbilisi, Georgia, May 19, 2023. REUTERS/Irakli Gedenidze 

A Ukrainian marine attends a FPV-drone flight training, amid Russia's attack on Ukraine, in Dnipropetrovsk region, Ukraine May 15, 2023. REUTERS/Sofiia Gatilova 

A Ukrainian marine holds a FPV-drone during a flight training, amid Russia's attack on Ukraine, in Dnipropetrovsk region, Ukraine May 15, 2023. REUTERS/Sofiia Gatilova 

A Ukrainian marine attends a FPV-drone flight training, amid Russia's attack on Ukraine, in Dnipropetrovsk region, Ukraine May 15, 2023. REUTERS/Sofiia Gatilova 

A Ukrainian marine sets up a FPV-drone during a flight training, amid Russia's attack on Ukraine, in Dnipropetrovsk region, Ukraine May 15, 2023. REUTERS/Sofiia Gatilova 

A Ukrainian marine sets up a FPV-drone during a flight training, amid Russia's attack on Ukraine, in Dnipropetrovsk region, Ukraine May 15, 2023. REUTERS/Sofiia Gatilova 

A Ukrainian marine attends a FPV-drone flight training, amid Russia's attack on Ukraine, in Dnipropetrovsk region, Ukraine May 15, 2023. REUTERS/Sofiia Gatilova TPX IMAGES OF THE DAY 

Yemenis evacuated from Sudan sit next to displayed pictures, upon their arrival at Sanaa airport on the first direct evacuation flight from Port Sudan to Sanaa, Yemen, May 14, 2023. REUTERS/Khaled Abdullah 

Children evacuated from Sudan hold paintings with colours of Yemen's national flag, upon the arrival of Yemeni evacuees on the first direct evacuation flight from Port Sudan to Sanaa, Yemen May 14, 2023. REUTERS/Khaled Abdullah 

Relatives of people evacuated from Sudan wait for their arrival on the first direct evacuation flight from Port Sudan to Sanaa, Yemen, May 14, 2023. REUTERS/Khaled Abdullah 

Yemenis evacuated from Sudan arrive at Sanaa airport, on the first direct evacuation flight from Port Sudan to Sanaa, Yemen, May 14, 2023. REUTERS/Khaled Abdullah 

A man embraces relatives evacuated from Sudan, upon the arrival of Yemeni evacuees on the first direct evacuation flight from Port Sudan to Sanaa, Yemen, May 14, 2023. REUTERS/Khaled Abdullah 

A woman evacuated from Sudan embraces a relative, upon the arrival of Yemeni evacuees on the first direct evacuation flight from Port Sudan to Sanaa, Yemen, May 14, 2023. REUTERS/Khaled Abdullah 

A woman embraces a relative at Sanaa airport, upon the arrival of evacuees on the first direct evacuation flight from Port Sudan to Sanaa, Yemen, May 14, 2023. REUTERS/Khaled Abdullah 

Yemenis evacuated from Sudan arrive at Sanaa airport, on the first direct evacuation flight from Port Sudan to Sanaa, Yemen, May 14, 2023. REUTERS/Khaled Abdullah 

Relatives of people evacuated from Sudan wait for their arrival on the first direct evacuation flight from Port Sudan to Sanaa, Yemen, May 14, 2023. REUTERS/Khaled Abdullah 

Share of flights in U.S. airports by type of delay 

Share of flights in U.S. airports by type of delay 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, are greeted by their relatives as they arrive at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, arrive at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez 

Michel Ramirez, 25, a Venezuelan migrant who had been stranded on the border between Chile and Peru, is greeted by her relatives at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez 

A Venezuelan migrant and her children, who had been stranded on the border between Chile and Peru, arrive at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez 

The pets of Michel Ramirez, 25, a Venezuelan migrant who had been stranded on the border between Chile and Peru, are pictured as she is greeted by her relatives at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

A boy holds a cat belonging to Michel Ramirez, 25, a Venezuelan migrant who had been stranded on the border between Chile and Peru, as she is greeted by her relatives at the Simon Bolivar International Airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

A member of the Bolivarian National Guard and staff from the Foreign Ministry hold meals for Venezuelan migrants who had been stranded on the border between Chile and Peru and arrived at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

A Venezuelan migrant, who had been stranded on the border between Chile and Peru, walks to board a government bus at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

A Venezuelan migrant, who had been stranded on the border between Chile and Peru, holds his dog before getting on a government bus at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, wait in a government bus at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

A Venezuelan migrant, who had been stranded on the border between Chile and Peru, gets on a government bus at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, get on a government bus at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, wait in a government bus at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, wait in a government bus at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, arrive at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, arrive at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, arrive at the Simon Bolivar International airport after being repatriated to Venezuela on a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Jesus Reyes, 54, a Venezuelan migrant who had been stranded on the border between Chile and Peru, is greeted by his daughters at the Simon Bolivar International airport after being repatriated to Venezuela in a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Yury Gil, 38, a Venezuelan migrant who had been stranded on the border between Chile and Peru, is greeted by her relatives at the Simon Bolivar International airport after being repatriated to Venezuela in a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, are greeted by their relatives at the Simon Bolivar International airport after being repatriated to Venezuela in a humanitarian flight, in Maiquetia, Venezuela May 7, 2023. REUTERS/Leonardo Fernandez Viloria 

Venezuelan migrants, who had been stranded on the border between Chile and Peru, arrive after being repatriated to Venezuela on a humanitarian flight, at the Simon Bolivar International Airport, in Maiquetia, Venezuela May 7, 2023.REUTERS/Leonardo Fernandez Viloria 

Boxes containing food and medical aid are pictured after the landing of a Kuwaiti Air Force flight, following the crisis in Sudan's capital Khartoum, in the military airport of Port Sudan, Sudan, May 4, 2023. REUTERS/Ibrahim Mohammed Ishak BEST QUALITY AVAILABLE 

Boxes containing food and medical aid are pictured after the landing of a Kuwaiti Air Force flight, following the crisis in Sudan's capital Khartoum, in the military airport of Port Sudan, Sudan, May 4, 2023. REUTERS/Ibrahim Mohammed Ishak BEST QUALITY AVAILABLE 

General Mohammed Othman al-Hussein speaks to the media after the landing of a Kuwaiti Air Force flight carrying food and medical aid for Sudanese people, following the crisis in Sudan's capital Khartoum, in the military airport of Port Sudan, Sudan, May 4, 2023. REUTERS/Ibrahim Mohammed Ishak BEST QUALITY AVAILABLE 

Kuwait's Ambassador to Sudan, Dr. Fahad Al-Thafeeri, speaks to the media after the landing of a Kuwaiti Air Force flight carrying food and medical aid for Sudanese people, following the crisis in Sudan's capital Khartoum, in the military airport of Port Sudan, Sudan, May 4, 2023. REUTERS/Ibrahim Mohammed Ishak BEST QUALITY AVAILABLE