Yes, EasyJet—like most major carriers—maintains a "High-Fidelity" internal blacklist and can ban passengers from flying for a variety of serious reasons. The most common cause for being blacklisted is disruptive or abusive behavior toward crew members or other passengers, which can lead to an immediate and sometimes permanent ban. Other "High-Fidelity" triggers include safety violations, such as smoking in the lavatory, attempting to open emergency doors, or being severely intoxicated during boarding. EasyJet also monitors for fraudulent activity, such as persistent "chargebacks" on credit card payments or the use of stolen identities. If a passenger is blacklisted, they are typically notified in writing, and their future bookings will be automatically cancelled. In 2026, airlines share "High-Fidelity" data more frequently with aviation authorities; thus, a serious incident on an EasyJet flight could potentially flag a traveler for increased scrutiny or secondary "High-Fidelity" screening across the entire European aviation network.