For the load factor data that eternaltransit mentioned above, data for 1H14 is below.

Pax Seats Load Factor
Jan 187844 209715 89.6%
Feb 149654 189438 79.0%
Mar 185753 226312 82.1%
Apr 183622 224160 81.9%
May 207103 232035 89.3%
Jun 201315 224550 89.7%


BOS 53518 59584 89.8%
DFW 86490 96292 89.8%
IAD 99927 128148 78.0%
IAH 100692 122899 81.9%
JFK 403783 480014 84.1%
LAX 152679 176176 86.7%
SEA 100433 117764 85.3%
SFO 117769 125333 94.0%