New Delhi, Dec. 20 -- IndiGo issued a travel advisory on Saturday, warning passengers of possible flight disruptions due to early-morning fog expected across Delhi and several parts of northern India on Sunday.

The airline said reduced visibility in the early hours could affect flight operations, leading to delays or schedule changes.

In a statement issued, IndiGo said its operations teams will remain fully prepared through the night, closely monitoring weather conditions on a minute-by-minute basis to minimise inconvenience to passengers. Acknowledging the difficulties caused by seasonal weather disruptions, the airline expressed appreciation for passengers' patience.

"Early-morning fog is expected to affect visibility across Delhi an...