Indira Gandhi International Airport (DEL) July 2025 Operational Report

Flight Activity Overview

Total Departing Flights: 17,510

Year-over-Year Change in Departing Flights: −10.03%

In July 2025, DEL handled 17,510 departures, a notable decline compared with July 2024 as airlines optimized capacity and adjusted routes. The reduction points to schedule fine‑tuning rather than a structural drop in demand. Even with softer volumes, Delhi remains India’s busiest international gateway with broad domestic and global connectivity.

On-Time Performance and Cancellations

Departure On-Time Performance: 75.45%

Year-over-Year Change in OTP: +39.15%

Cancelled Flights: 792

Year-over-Year Change in Cancellations: −49.10%

Punctuality improved sharply year over year, surpassing 75% and giving travelers a much better chance of leaving on schedule. Cancellations were cut by nearly half, indicating fewer severe disruptions and steadier day‑of‑travel plans. For passengers, reliability gains should translate into easier connections and fewer last‑minute changes.

Airlines Serving DEL

Core operators include Air India (AI), IndiGo (6E), and Vistara (UK), offering extensive domestic reach and nonstop links to major global hubs. The mix of full‑service and low‑cost options provides flexibility on price and departure times, with ample choices for both business and leisure travel.

Outlook

Heading into August during the monsoon, intermittent weather delays remain possible, but improved reliability should help cushion impacts. With OTP trending higher and cancellations much lower than last year, passengers can further de‑risk trips by choosing morning departures and monitoring live updates. Allowing extra time at security on weekends will also help ensure smoother journeys.