On July 12, 2026, 2,575 flights were delayed and 51 cancelled across Europe, impacting key hubs from Zurich to London Heathrow. Major airlines including easyJet, Ryanair, and British Airways faced significant operational disruptions.
On July 12, 2026, FAA data showed 19 US airports under 27 delay programs, with ATL worst-hit. Thunderstorms were the leading cause across six key programs.
The FAA imposed a ground stop at Atlanta Hartsfield-Jackson Airport on July 12 due to thunderstorms, halting departures until at least 5 p.m. Over 900 flight delays were reported. Passengers faced cancellations, missed connections, and rebookings.