The state of Kerala was created on 1 November 1956. Prior to 1956, Kerala had been divided into four regions: South Canara (Kasaragod region), Malabar, Cochin, and Travancore.
The cancelled flights reportedly included 19 departures and 17 arrivals and belonged to Tirupati, Visakhapatnam, Bangalore, Cochin, Coimbatore, Thiruvananthapuram, Ahmedabad, Bhubaneswar, Raipur and Jaipur routes.