December 2025 Traffic and CO2 Emission Statistics
December passengers up 15.5% year-on-year to 5.85m; four new aircraft added to Summer 2026 bases.
- December passengers 5.85m (prior 5.06m)
- Capacity growth 16.3% (prior December 2024)
- Load factor 85.9% (prior 86.5%)
- Rolling 12-month passengers 68.6m (prior 62.7m)
- CO2 per passenger/km 52.3g (prior 53.7g)
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WIZZ AIR REPORTS 15.5% YEAR-ON-YEAR DECEMBER PASSENGER GROWTH AND SIGNIFICANT NETWORK DEVELOPMENTS TO SUPPORT SUMMER '26 PROSPECTS
Geneva, 5 January 2026: Wizz Air Holdings Plc ("Wizz Air") reports strong December 2025 growth today and a range of important strategic developments during the month, which further strengthens its product-enhancing and regional densification strategies.
Wizz Air carried 5.85m million passengers in December, a 15.5% increase year-on-year, with capacity rising 16.3% to 6.81 million seats. The load factor for the month was 85.9%, down 0.6ppts year-over-year.
During the month:
- "4 to the power of 15": Wizz Air's network densification strategy saw four announcements in December in which a 15th aircraft will be added to the existing based fleets for the Summer '26 season at Luton, Rome Fiumicino, Tirana and Warsaw-Chopin Airport.
- Regional footprint further advanced: Wizz Air's CEE footprint was expanded further with the official reopening of Targu Mures base in Romania (December 15th) with one aircraft and the opening of its Warsaw-Modlin base (December 1st) with two A321neos.
- Distribution channels strengthened: On December 4th, Wizz Air announced its partnership with Kyte to open its 3rd party distribution platform to the corporate travel market. This follows the distribution agreement signed with Travelfusion in August, the world's largest flight content aggregator.
- NIS2 compliance: Wizz Air has demonstrated cyber resilience under the new EU NIS2 framework. In its inaugural pre-audit regarding these stringent regulations, the airline achieved a 97% score, securing the highest possible rating of 'Compliant with Negligible Risk'.
| Month | Rolling 12 months | |||||
|---|---|---|---|---|---|---|
| December 2025 | December 2024 | Change YoY | December 2025 | December 2024 | Change YoY | |
| Capacity (seats) | 6,810,603 | 5,853,738 | 16.3% | 75,348,028 | 69,092,918 | 9.1% |
| Passengers* | 5,847,828 | 5,061,425 | 15.5% | 68,591,371 | 62,686,711 | 9.4% |
| Load Factor** | 85.9% | 86.5% | -0.6ppts | 91.0% | 90.7% | 0.3ppts |
| *Booked passengers | ||||||
| ** Rounded to one decimal place | ||||||
| Wizz Air Monthly CO2 Emission Statistics* | ||||||
| Month | Rolling 12 months | |||||
| December 2025 | December 2024 | Change YoY | December 2025 | December 2024 | Change YoY | |
| CO 2 (MT) Emissions | 532,153 | 482,951 | 10.2% | 6,024666 | 5,761,732 | 4.6% |
| CO 2 g per pax/km** | 52.3 | 53.7 | -2.5% | 50.8 | 52.4 | -3.2% |
* The published CO2 figures do not include any benefit from Wizz Air's SAF uplift
** Rounded to one decimal place
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