Don Mueang International Airport (DMK) July 2025 Operational Report

Flight Activity Overview

Total Departing Flights: 7,955

Year-over-Year Change in Departing Flights: −0.66%

In July 2025, DMK handled 7,955 departures, a slight decrease from July 2024 as airlines retuned schedules and capacity to match seasonal patterns. Despite the marginal dip, Don Mueang remains a pivotal low-cost hub for Bangkok and Southeast Asia. Demand appears stable, with fine-tuning rather than structural weakness.

On-Time Performance and Cancellations

Departure On-Time Performance: 82.55%

Year-over-Year Change in OTP: +4.62%

Cancelled Flights: 309

Year-over-Year Change in Cancellations: −43.92%

Punctuality improved year over year and exceeded 82%, reflecting smoother ground operations and less peak-hour congestion. Cancellations fell sharply—down nearly 44%—which translates to fewer severe disruptions and steadier schedules for travelers during the mid-year holiday period.

Airlines Serving DMK

Core operators include Thai AirAsia (FD) and Nok Air (DD), complemented by other regional carriers. The blend of high-frequency domestic routes and affordable international services offers flexibility on price and departure times.

Outlook

Heading into August, generally stable weather in the region should support operational reliability. With OTP trending higher and cancellations markedly lower versus last year, passengers can further reduce delay risk by choosing morning departures, monitoring live flight updates, and allowing extra time at security during weekend peaks.