Boeing 737 MAXs were suddenly grounded while regulatory agencies decided if they should be allowed to return to the skies.

Low-cost carrier Norwegian has retired its final Boeing 737-300. Its single-aisle fleet is now comprised entirely of the newer -800 model.

The carrier's 737-300's will conduct RNP operations once the displays are integrated with the FMS upgrades Southwest awarded to GE last ... "As Southwest is a leader in the low-cost model, ...

Aircraft lessors and traders believe that values of the workhorse Boeing 737-300 are coming under pressure as more airlines pull them from their fleets. Aircraft owners that choose to hold onto ...

The plane is a Boeing 737-300, it's 15 years old, and Boeing says that model should withstand many more than the roughly 40,000 takeoffs and landings, or flight cycles, that this particular plane ...

The 737-300, -400 and -500 aircraft have also some of the company’s most accident-prone designs. ... a 767 model, was forced to land without its landing gear in Istanbul, Turkey.

The 300 model upped capacity to 149, and the current roster of MAX models (though this suffix has since been removed from their names) has a total capacity of 172 (737-7), 210 (737-8), 220 (737-9 ...

The 737-500's smaller size, medium-haul range, and fuel efficiency of the CFM56 engine made it a popular choice for operators of large 737-400 and 737-300 fleets.

A handful of the nearly 5,000 Boeing 737-800 aircraft produced have been involved in fatal crashes, but the jet is generally reliable and safe.