If you hold Tezos in AirGap, you can delegate them to earn rewards. See the following guide for more info: https://medium.com/airgap-it/airgap-one-transaction-tezos-delegation-dd66f8f338c7
|Locked while staking||No|
|Rewards after||23 or 37 days|
You can use https://baking-bad.org/ to check your delegation status and expected rewards.