Passengers faced significant delays and cancellations at Heathrow Airport today as a widespread systems issue halted flights for several hours. The airport authority, Heathrow Express, issued a statement on the disruption early this morning, attributing it to a software glitch. A significant number of passengers were affected, with a few delayed a

Chaos ensued/swept/wreaked havoc across Heathrow Airport yesterday as a widespread system failure/outage/malfunction brought air travel to a standstill. Thousands of passengers faced delays/were stranded/found themselves caught in a nightmare scenario, with flights canceled/grounded/suspended and terminals swamped/overcrowded/packed. The cause/ro