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15 Apr 2026

SundAir & Leon Software

Case Study: How SundAir Scales German Leisure & Charter Excellence with Leon Software

The Turning Point

Scaling from Startup to Multi-Base Carrier

Since its inception in 2016, SundAir has rapidly ascended from a boutique startup to a household name in the German leisure travel market. As a vertically integrated carrier, SundAir bridges the gap between traditional scheduled flights and specialized ad-hoc charters. With a "customer-first" philosophy and a strategic partnership with Schauinsland-Reisen, SundAir defines what it means to put the "vacation in good hands."

Growth brings complexity. Moving from a single-aircraft operation to a multi-base carrier with a fleet of 5+ Airbus A320s and over 120 staff members required a shift from manual processes to digital precision.

To maintain work efficiency and meet stringent regulatory frameworks, SundAir reached a pivotal "breaking point" where a centralized system became essential.

Why SundAir Integrated Leon Software:

  • Centralized Command: Transitioning from startup workflows to organized, multi-base management.
  • The Crew Planning Tool: Utilizing Leon’s centerpiece feature to manage complex schedules across various European hubs.
  • Reliability & Compliance: Implementing modern methods to ensure operational stability and total regulatory alignment.

Key Features

Leon Software: The Digital Backbone of Modern Aviation

For a carrier like SundAir, Leon Software is more than just a scheduling tool—it is a comprehensive Flight Operations Management system designed to handle the high-pressure environment of charter and scheduled aviation.

Advanced FTL Engine

Advanced FTL Engine: Leon automatically calculates Flight Time Limitations (FTL) and rest requirements, flagging potential violations before they happen to ensure 100% safety compliance.

Multi-AOC & Multi-Base Support

Multi-AOC & Multi-Base Support: Designed for complex structures, Leon allows SundAir to manage operations across different bases and synchronize seamlessly with sister companies like FlyAir41.

Real-Time Data Sync

Real-Time Data Sync: From flight watch and Eurocontrol integrations to automated movement (MVT) messages, the platform provides a "single source of truth" for the entire operations team.

Modular Flexibility

Modular Flexibility: Leon scales with the business, offering everything from maintenance tracking and CAMO limits monitoring to sales and charter quoting in one unified interface.

Crew Empowerment

Modern Solutions for Modern Teams

With aircraft and crews based across multiple European cities, maintaining communication is a logistical challenge. The Leon Crew App has become a vital tool for SundAir’s pilots and cabin crew.

Improving Quality of Life on the Flight Deck:

  • Roster Stability: Providing crews with a reliable, "handy" interface that meets the expectations of a modern workforce.
  • Mobile Efficiency: Crews can check schedules, acknowledge duty changes via push notifications, and access flight documents even while offline.
  • Transparency: Real-time access to duty logs and endorsements ensures that every team member is "in the loop," regardless of which European base they are flying from.

"The app is reliable and handy; this is exactly what crews expect in modern times to manage their professional lives effectively."

Leon Crew App
Leon Crew App
Airline Crew Management Software

Conclusion

A Future-Proof Partnership

By combining the "workhorse" reliability of the Airbus A320 with the digital intelligence of Leon Software, SundAir has successfully navigated the transition from a 2016 startup to a regional powerhouse.

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