https://intellij-support.jetbrains.com/hc/en-us/community/posts/21696708890002-FAQ-1-866-738-0709-How-do-I-check-in-for-a-flight-Online-Mobile-CheckiN-%F0%9D%95%81etblue-%F0%9D%94%B8irlines-Check-in-How-early-can-I-check-into-%F0%9D%95%81etblue