India, May 1 -- The Indira Gandhi International Airport (IGI) in Delhi faced major disruptions on Tuesday, with over 600 flights delayed, including 198 arrivals and 443 departures, throwing travel plans into chaos. The delays were caused by a mix of unfavourable weather conditions and ongoing maintenance work on one of the airport's key runways (10/28). This runway has been closed since April 8 for the upgrade of its Instrument Landing System (ILS), a move aimed at enhancing low-visibility operations.

Shifting wind patterns, particularly easterly winds forecast by the India Meteorological Department (IMD) from April 26 to May 4, have further hindered operations on the remaining runways. The unusual wind direction has significantly reduce...