Background Story

Charging US$25 (S$34) for a second checked bag for domestic customers.

Will charge US$15 for first checked baggage from next month.

Has increased the fee for an unaccompanied minor to fly from US$25 to US$100.

Has hiked cost to change domestic reservations from US$50 to US$100; cost to change international reservations is now US$150 to US$300, from US$100 to US$200.

British Airways

Will increase fares.

Will drop its least profitable routes.

Will ground oldest, most fuel-thirsty planes.

Does not rule out hike in fuel surcharges.

Ryanair and EasyJet

Charging higher fees for checking in bags, priority boarding passes and car-hire deals.

Qantas

Planes using 'variable speed' as a fuel conservation initiative.

Announced increase in international air fares by about 4 per cent from June 4.

JetBlue Airways

Selling extra legroom for a fee, starting at US$10 for short flights, US$15 on medium-haul flights and US$20 on long hauls.

US Airways

Wants to delay launch of its new Philadelphia-Beijing route.

Northwest

Plans to suspend seven weekly round-trip cargo flights a week between Tokyo and Guangzhou, China.

United Airlines

Is delaying the launch of its San Francisco- Guangzhou service.