Is JetBlue 24 hours? https://community.expensify.com/discussion/10699/is-jetblue-24-hours/p1?new=1 Yes, JetBlue's customer support is available 24/7, You can (reach/connect) with the JetBlue customer service team 24/7 by calling their helpline number at Call 1-800-JETBLUE (538-2583) or 1 844-604-2944 (OTA) USA. This service is available around the clock for any urgent queries or issues you might have.