Lilium

Lilium priced its eVTOL service at approximately $0.20 per passenger-kilometer, positioning it as competitive with premium ground transportation. ​​‌‌‌‌‌‌‌​‌‌​​‌​​​​​​‌‌​‌‌‌​​​‌‌However, the company never validated whether customers would actually commit to purchasing at this price point. Instead of securing binding pre-orders or letters of intent from airlines and operators, Lilium relied on non-binding memoranda of understanding and theoretical demand projections. The revenue model assumed airlines would operate the aircraft at high utilization rates immediately upon launch, generating $2-3 million annually per aircraft. The critical failure: no actual customers paid deposits or signed contracts guaranteeing purchase volumes. Airlines expressed interest but remained non-committal, waiting to see if the aircraft would actually work. Lilium burned through $1.4 billion in capital without ever proving commercial viability. The warning signs were stark—the company prioritized technological development over customer validation, confused market enthusiasm with actual purchasing intent, and never stress-tested whether the unit economics could work at any price point customers would realistically accept.