Update 2025-12-19: Dense fog and low visibility disrupted flight operations on Friday (19 December) at Indira Gandhi International Airport (DEL) in Delhi, prompting IndiGo to cancel dozens of flights across mainly domestic routes, including the Delhi–Mumbai, Delhi–Hyderabad and Delhi–Nagpur sectors. Air India and SpiceJet also warned of delays and cancellations, citing cascading network impacts due to adverse weather conditions across northern India.
