Top 10 highest-revenue airline routes: April 2018 -- March 2019

1. British Airways: New York JFK -- London Heathrow (Total revenue: $1,159,126,794 / revenue per hour: $27,159)
2. Qantas Airways: Melbourne -- Sydney (Total revenue: $861,260,322 / revenue per hour: $23,773)
3. Emirates: London Heathrow -- Dubai International (Total revenue: $796,201,645 / revenue per hour: $24,926)
4. Singapore Airlines: London Heathrow -- Singapore Changi (Total revenue: $735,597,614 / revenue per hour: $18,771)
5. United Airlines: San Francisco International -- Newark (Total revenue: $689,371,368 / revenue per hour: $12,882)
6. American Airlines: Los Angeles LAX -- New York JFK (Total revenue: $661,739,788 / Revenue per hour: $13,099)
7. Qatar Airways: London Heathrow -- Hamad International (Total revenue: $639,122,609 / revenue per hour: $20,415)
8. Cathay Pacific Airways: Hong Kong International -- London Heathrow (Total revenue: $604,595,063 / revenue per hour: $13,887)
9. Singapore Airlines: Sydney -- Singapore Changi (Total revenue: $549,711,946 / revenue per hour: $20,821)
10. Air Canada: Vancouver YVR -- Toronto Pearson International (Total revenue: $541,122,509 / revenue per hour: $11,936)