It is possible that JetBlue hiring managers may look at an applicant's online activity during the background check process. Many companies conduct background checks on job candidates as part of the hiring process, which may include reviewing an applicant's social media profiles and other online presence.

During this process, hiring managers may be looking for any information that could raise red flags about the candidate, such as evidence of illegal or unethical behavior, discriminatory or offensive comments, or a lack of professional conduct. Therefore, it is important to be mindful of the content you post online and to present a professional image on social media and other online platforms.

It's worth noting that JetBlue might have their own background check policy, which they are required to inform the candidate before proceeding. Therefore, you should check with the company if you have any questions or concerns about their background check process.

In general, it's always a good idea to be aware of your online presence and to present yourself in the best possible light, as you never know when a potential employer may be looking at your online activity.

Yes, they do.