Delhi airport plans to implement a differential tariff structure based on travel class and time of travel. This will impact premium passengers more and encourage airlines to operate during non-peak hours, potentially easing congestion. A peak-hour surcharge will also lead to better slot utilization and affordability. https://m.economictimes.com/industry/transportation/airlines-/-aviation/business-class-fliers-may-have-to-pay-more-at-delhi-airport/articleshow/117800913.cms