Kott, convicted of three public corruption charges, had asked to delay reporting to prison until Feb. 1 so he could be around for the birth of his grandchild. The baby is due next week.
But U.S. District Court Judge John Sedwick on Tuesday denied Kott's request. He is scheduled to report to a federal prison in Sheridan, Ore.
A federal jury in September convicted Kott of bribery, conspiracy and extortion.
Over the objection of prosecutors, he wasn't taken into custody immediately.
Prosecutors also objected to any further delay, saying in a court filing that "it is simply time for Kott to face the consequences of his actions."
Sedwick agreed. Kott's crimes were serious, he's had time to put his affairs in order, and he already got special permission to travel outside Alaska for family and personal matters before going to prison, the judge wrote.
Sedwick also said there's no assurance the child will arrive by the due date Monday.
Kott, a Republican, represented Eagle River in the state House for 14 years.
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