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Building a Scalable Flight Analytics Platform for a Global Airline

Highlights

Highlights data

Client

A global airline group connecting South America with the Americas, Europe, Oceania, and Africa. The company operates passenger and cargo services through a modern fleet and manages a comprehensive loyalty program.

To support day-to-day decision-making, the airline relies on high-volume sensor data used by Operations, Dispatch, Maintenance, and Safety teams to power airline operations analytics.

Challenge

The client’s legacy flight sensor data processing system limited its ability to scale analytics and respond to operational demands.

Key challenges included:
  • Slow Access to Critical Data
    Analytical queries required hours to complete, limiting the operational and safety teams’ ability to access time-sensitive insights when they were most needed.
  • Operational Risk and Limited Transparency
    Data pipeline failures lacked clear visibility, resulting in a longer time to identify and resolve operational incidents.
  • Fragmented Sensor Ecosystem
    Thousands of recorded and calculated sensors existed without a centralized structure, leading to inconsistent data usage, missing flight records, and reduced confidence in analytics, undermining trust in airline operations analytics.

Solution

DataArt partnered with the client to redesign the sensor data architecture from the ground up, creating a scalable, cloud-native flight data analytics platform optimized for high-volume ingestion, efficient processing, and advanced real-time analytical workloads.

The solution evolved through structured phases to reduce risk and validate performance early:

Prototype ValidationHigh-Volume Data Processing with DataflowSensor Expansion and Standardization

An initial architecture prototype was developed using Google Cloud Run to validate feasibility and test performance assumptions before scaling.

The solution was migrated to Google Cloud Dataflow, enabling parallel ingestion and transformation of large sensor datasets and eliminating redundant reprocessing.

Active sensors increased from approximately 400 to over 1,000, including the introduction of 100+ newly defined metrics. This expansion significantly broadened coverage for aviation data analytics use cases across operations and maintenance.

Enterprise Sensor CatalogEnd-to-End Data Pipeline

DataArt designed and implemented a master catalog containing more than 14,000 sensors, clearly distinguishing between directly recorded sensors and algorithmically calculated ones, enabling full transparency and reuse across teams.

The final architecture established a robust and scalable flow:

Data Lake → Data Warehouse → BigQuery

This architecture became the operational foundation of the airline’s flight data analytics platform, supporting reliable ingestion, high-performance querying, and structured storage across the organization.

Airline Operations Analytics at Scale

The new platform fundamentally transformed how the organization accesses and uses flight sensor data.

Key outcomes included:

  • Operational Adoption The number of initiatives consuming sensor data doubled after implementation. The flight data analytics platform is now a core data source for Operations, Dispatch, Maintenance, and Safety teams.
  • Significant Cost Savings By eliminating redundant processing, reducing operational delays, and optimizing cloud resource usage, the solution delivered an estimated annual direct savings of USD $200,000.
  • Predictive Maintenance Enablement The solution supports advanced predictive analysis and high-value use cases, opening new frontiers in predictive maintenance.
  • Central Role in the Data Ecosystem More than 14 billion historical flight records were integrated into the platform, making previously inaccessible datasets fully queryable. The system now serves as a foundational component of the client’s enterprise aviation data analytics stack.

Technologies Used

GCP
Pub/Sub
Dataflow (Apache Beam)
Cloud Storage
Dataproc
BigQuery
Data Catalog
Cloud Run
Cloud KMS
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