Boeing Co. said it booked no new jetliner orders in January, increasing the financial strain that has been building during the 737 Max crisis as airlines added no new deposits to secure a place in the plane makers order backlog.

Boeing

BA, -0.45%

 delivered 13 planes last month, including six 787 Dreamliners, two 777s and military versions of its commercial jets. Boeing said no customers canceled orders, leaving its backlog for future production at 5,393 jets.

Deliveries, defense contracts and jetliner-service deals have become key items for investors because they provide much-needed cash to fill part of the gap from the prolonged grounding of the Max and subsequent halt in production following two fatal crashes. Boeing has lined up a $13 billion bank loan to help fund compensation to Max customers, as well as the cost of halting production.

A month without Max order cancellationsairlines dropped deals for around 200 of the jets last year, including five in Decemberis a welcome turn against a backdrop of weakening demand due to slowing airline traffic growth. The coronavirus outbreak in China could also weigh on demand from Asian carriers, people in the industry have said.

An expanded version of this report appears on WSJ.com

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