A British Airways system outage on Monday led to two-hour delays for passengers, affecting hundreds of flights.
Although the airline has resolved the outage, it warned that some services might still experience delays as operations stabilise.
The issue, related to a glitch in filing flight plans electronically, required flight crews to manually contact the flight operations centre for updates.
The outage impacted both inbound and outbound flights at London’s three major airports, potentially causing further ripple effects for early Tuesday departures.
