144
thirty five
Currently (April 2011) Delta Airlines have 724 airplanes with more on order.
747-400:16 747-200:2 747-200F:13 777-200LR:5 777: 8 A330-300:21 A330-200:11 767-400ER:21 767-300ER:60 767-300:20 757-300:16 757:191 MD90:16 MD88:120 737-800:71 737-700:5 A320:71 A319:59 DC9:68 April...
This question is tricky, since some aircraft can have more than one version, such as a 767-300 series, or 767-200 series. Also, American has several newer aircraft on order, to be received soon,...