They won't be able to hold without constant reinforcements. Ukraine just needs to bomb/artillery strike the airstrip and keep consuming the Russian forces insideJust one. The Russians are still fighting. There are some twits in the Ukrainian gov who keep saying its been taken back and then have to clarify about 15 minutes later that Hostomel/Anatov is still contested.
Its a big risk to capture an airport behind enemy lines and not commit on constant reinforcements in order to form a bridgehead