May 2025 Traffic and CO2 Emission Statistics
Wizz Air carried 5.7 million passengers in May 2025, up 10.3% year-on-year, with load factor at 91.2%.
- Passengers carried 5.7 million (prior 5.1 million)
- Capacity growth 10.0%
- Load factor 91.2% (prior 91.0%)
- CO2 emissions per RPK 51.1 grams (prior 52.9 grams)
- YoY passenger growth 10.3%
- 12-month passenger growth 3.8%
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Geneva, 3 June 2025: Wizz Air Holdings Plc ("Wizz Air"), one of the most sustainable European airlines, announces passenger and CO2 emission statistics for May 2025.
Wizz Air carried 5.7 million passengers during the month of May, a 10.3% increase year on year. Seat capacity increased 10.0% YoY, resulting in a load factor of 91.2%, up 0.2ppt on last year's load factor of 91.0%.
During the month:
- The increase achieved in passengers carried and the associated lift in loads is very encouraging, particularly given the timing of Easter the month before.
- Wizz Air continues to be one of the lowest emission airlines, reporting a further decline in CO2 emissions per RPK in May, down 3.4% YoY, to 51.1 grams. This also represented an improvement month on month of 40bps.
- Wizz Air will release its F25 report on Thursday 5th June at 7am BST.
| Month | Rolling 12 months | |||||
|---|---|---|---|---|---|---|
| May 2025 | May 2024 | Change YoY | May 2025 | May 2024 | Change YoY | |
| Capacity (seats) | 6,201,056 | 5,638,820 | 10.0% | 70,727,173 | 68,902,836 | 2.6% |
| Passengers* | 5,657,051 | 5,130,316 | 10.3% | 64,459,026 | 62,104,306 | 3.8% |
| Load Factor** | 91.2% | 91.0% | 0.2ppts | 91.1% | 90.1% | 1.0ppts |
| *Booked passengers | ||||||
| **rounded to one decimal place | ||||||
| Wizz Air Monthly CO2 Emission Statistics* | ||||||
| Month | Rolling 12 months | |||||
| May 2025 | May 2024 | Change YoY | May 2025 | May 2024 | Change YoY | |
| CO 2 (MT) Emissions | 502,191 | 472,531 | 6.3% | 5,865,859 | 5,732,777 | 2.3% |
| CO 2 g per pax/km** | 51.1 | 52.9 | -3.4% | 51.9 | 52.2 | -0.6% |
* the published CO2 figures do not include any benefit from our SAF take-up
**rounded to one decimal place
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