Miami joins Dallas and six major US airports as runway closures squeeze flight capacity. Check delay risks and essential advice for travellers.

US summer travel faces an airport capacity crunch as flight reliability weakens amid heavy demand, storms, runway work and air traffic limits.

Cleveland-Hopkins disruption hits United, Delta, Southwest, American and Republic with 69 delays and 15 cancellations across US routes.

Harry Reid Airport sees 81 delays and 5 cancellations hitting Southwest, American, KLM and more disrupting travel across US, UK, Canada, Europe and Mexico.

US flight cancellations reach 42 and delays climb to 555 today, June 29, 2026, with Boston, Miami, JFK, Seattle, and Pittsburgh among the hardest-hit airports.