On top of all the other problems that Boeing has been dealing with after a piece of fuselage broke off an Alaska Airlines-operated 737 Max 9 back in January, a lot of its airline customers have been upset at how long they’ve been waiting on planes they ordered. Boeing’s public order backlog says it has more than 6,000 jetliners to get out the door. Yes, a lot of orders is generally a good thing because it eventually turns into lots of revenue — but at least one customer has already moved to lease planes from Airbus, the planemaker’s biggest rival, because they ran out of patience.
Here are the 10 Boeing customers still waiting for the most planes.