Something to be aware of which can blur the ratio is business class ‘lite’ fares made available from the likes of Finnair and copyright. Volunteer to Give Up Your Seat: In the event your flight is overbooked, Airways might present incentives to passengers who volunteer to surrender their seats. https://businessflightshop.co.uk/blog/what-facilities-you-can-enjoy-flying-business-class-flights-to-canada/