
Rerouting Alone Could Cost Airlines $8 Billion This Summer, New i6 Group Data Shows12.5.2026 10:00:00 CEST | Press release
Operational data from nearly 300 airports reveals that structural fuel costs are cutting into peak-season profits. Plus, European airports increased fuel stock by 62%, ahead of further supply disruption. Airlines flying European long-haul routes are facing a fuel cost penalty that could exceed $8 billion between May and August 2026, according to a new operational data report released today by i6 Group, a global leader in integrated aviation fuel management technology. The report, “Middle East Conflict: Summer 2026 Outlook,” draws on real fueling transactions captured at nearly 300 airports worldwide by i6's Fusion6 platform and provides insight into the costs of the conflict so far and how it might impact summer travel, based on actual fuel supply and into-plane uplift data. Key Findings $5.6 billion – $8.4 billion: Projected industry-wide rerouting fuel cost, May–August 2026 62.2%: Increase in European airport fuel book stocks (April 2026 vs. April 2025) 415,373 tons: Additional CO2 g



















