The S&P/NZX 50 Index closed at 11,496.61, up 33.12 points or 0.29%.
The carrier has bought an all-electric aircraft from Beta Tech, to be delivered in 2026.
The prestigious Deloitte Top 200 Awards winners were revealed on Wednesday evening.
Fonterra is due to present its 1Q result.
The automotive company is now one of the big dogs of the NZX, and it has a new target.
The IRD has settled its years-long tussle with Oracle NZ, having paid out millions.