United Airlines warns of flight disruptions following a Lufthansa pilot strike. The strike affects three German airports from April 12 to April 14, 2026. United recorded the highest volume of U.S. flight cancellations on Sunday, April 12.
The carrier issued a travel alert for tickets purchased on or before April 10. Passengers may reschedule travel between April 10 and April 21. United waives change fees and fare differences for original cabins and city pairs.