Southwest Airlines flew 7.6 billion revenue passenger miles (RPMs) in February 2015, a 6% percent increase from the 7.1 billion RPMs flown in February 2014. Available seat miles (ASMs) increased 3.6% to 9.5 billion in February 2015 compared with the February 2014 level of 9.1 billion. The February 2015 load factor was 79.9%, compared with 78.1% in February 2014. For February 2015, passenger revenue per ASM (PRASM) is estimated to have increased approximately 1.0%, compared with February 2014.
For the first two months of 2015, Southwest flew 15.6 billion RPMs, compared with 14.6 billion RPMs flown for the same period in 2014, an increase of 7.3%. Year-to-date ASMs increased 7.0% to a level of 20.2 billion compared with the 18.9 billion for the same period in 2014. The year-to-date load factor was 77.4%, compared with 77.2% for the same period in 2014.