In September, Boeing delivers 33 jets, but the threat of a strike looms.

• Boeing's deliveries are down year over year through September.
• The company handed over 27 of its bestselling 737 Max aircraft last month.
• The machinist strike at Boeing's factories in the Seattle area has been ongoing for four weeks, stopping production.

In September, the company delivered 33 airplanes, six more than the previous year, while keeping an eye on the ongoing machinist strike, now in its fourth week.

Boeing has delivered 291 aircraft through September, which is below the 371 it had delivered in the first nine months of 2023. In contrast, Airbus has delivered 447 airplanes this year through August.

Boeing's 737 Max aircraft led last month's deliveries, with 27 planes delivered to customers including , which received five, and and , which each took three. Deliveries are crucial to Boeing as customers pay the bulk of the price when they receive the airplane, and the company has already burned through more than $8 billion this year.

Boeing aircraft are manufactured in Renton, Washington, where machinists went on strike on September 13 after rejecting a proposed agreement with their union. Despite a subsequent sweetened offer from the company, the union has not agreed to it. The two sides are currently engaged in negotiations.

According to Jefferies aerospace analyst Sheila Kahyaoglu, only 10 of the 27 Maxes were handed over before the strike began. In a note Monday, she forecast that Boeing will be producing 25 Max aircraft per month if the strike ends in October, but the company's planned ramp-up to 38 Maxes a month will be delayed by a year.

On Oct. 23, Boeing will reveal its quarterly results and disclose the financial consequences of the strike.

In September, Boeing received 66 gross orders for new aircraft, including four 787 Dreamliner planes manufactured in their nonunion factory in South Carolina.

This year, Boeing has been dealing with the aftermath of a near catastrophe on one of its new 737 Max 9s in January, where a door plug that lacked crucial bolts failed.

The company's backlog is 5,456 aircraft.