The Airline’s Fleet At December 31, 2003, AWA operated a fleet of 139 aircraft having an average age of 10.7 years. In 2003, AWA parked and sold two owned 737-200 aircraft, returned to lessor two 737-300 aircraft, returned two A320 aircraft and took delivery of two A320 aircraft. Additionally, one 737-200 aircraft was parked and sold in the first quarter of 2004. In 2004, we plan to take delivery of one new A319 aircraft and two new A320 aircraft, lease three additional A320 aircraft and retire all eight 737-200 aircraft which would result in a fleet of 137 aircraft at the end of 2004, having an average age of 10.7 years. Despite the slight decline in aircraft throughout the year, we expect our mainline capacity (as measured by available seat miles) to increase 8–10% in 2004 due to increased utilization, larger aircraft and the timing of the deliveries and retirements. Depending on market conditions, AWA may add additional aircraft in late 2004 to support 2005 growth. AWA's fleet at the end of 2003 and as currently planned at the end of 2004 is described in the table below: