FILE- Heathrow Airport is seen from an airplane, Oct. 6, 2025, in London. (AP Photo/Julia Demaree Nikhinson, File)

Passengers at Gatwick Airport's South Terminal form a line after flights were cancelled on Tuesday, Sept. 8, 2026 because of a technical issue in Britain's air traffic control system, near Crawley, south of London. (Jordan Pettitt/PA via AP)

Passengers at Gatwick Airport's South Terminal sit after flights were cancelled because of a technical issue in Britain's air traffic control system Tuesday, Sept. 8, 2026, in Crawley, south of London. (Jordan Pettitt/PA via AP)

Passengers walk through Terminal 5 of London Heathrow Airport after flights were cancelled because of a technical issue in Britain's air traffic control system Tuesday, Sept. 8, 2026, in London. (Ellie Crabbe/PA via AP)

A man takes a picture at a sanctuary dedicated to Argentine singer Gilda on the 30th anniversary of her death in a bus crash, in Entre Rios, Argentina, Monday, Sept. 7, 2026. (AP Photo/Natacha Pisarenko)

Priest Carlos Baigorria waits to offer a mass at a sanctuary dedicated to Argentine singer Gilda on the 30th anniversary of her death in a bus crash, in Entre Rios, Argentina, Monday, Sept. 7, 2026. (AP Photo/Natacha Pisarenko)

A man prays at a sanctuary dedicated to late Argentine singer Gilda on the 30th anniversary of her death in a bus crash, in Entre Rios, Argentina, Monday, Sept. 7, 2026. (AP Photo/Natacha Pisarenko)

A woman sings at a sanctuary dedicated to late Argentine singer Gilda on the 30th anniversary of her death in a bus crash, in Entre Rios, Argentina, Monday, Sept. 7, 2026. (AP Photo/Natacha Pisarenko)