BALTIMORE — An American Airlines flight traveling from Dallas-Fort Worth to Newark was diverted to Baltimore after a passenger allegedly became violent during the journey, creating a serious disturbance inside the aircraft.

The incident occurred on Flight 618 on September 3 while the aircraft was in the air. According to accounts from passengers and information released by aviation authorities, the situation escalated after the man allegedly became aggressive toward people nearby.

Members of the cabin crew attempted to manage the disturbance, but the situation reportedly became increasingly difficult to control. Other passengers eventually assisted the crew in restraining the man while the aircraft was redirected to Baltimore.

Flexible restraints and adhesive tape were used to prevent the passenger from moving around the cabin, according to accounts and images circulated after the incident.

The aircraft subsequently landed safely at Baltimore/Washington International Thurgood Marshall Airport, where law enforcement officers were waiting. The passenger was taken into custody after the plane arrived.

The incident has drawn significant attention because of the extraordinary measures required to contain the disturbance during the flight. Aviation authorities are examining the circumstances surrounding the episode, while the airline has emphasized its policy against violent or threatening behavior aboard its aircraft.

The episode also highlights the difficulties airline crews can face when serious passenger misconduct occurs thousands of feet above the ground. Once an aircraft is airborne, crew members have limited options for dealing with a person who poses a threat to other passengers, making cooperation between crew and travelers particularly important.

No indication has emerged that the aircraft itself suffered a mechanical problem. The diversion was linked to the passenger disturbance rather than an aviation-system failure.

The investigation will determine the circumstances surrounding the passenger’s behavior and what charges may ultimately follow. Authorities have not publicly released the passenger’s identity.

For airlines, incidents of this kind remain a major safety concern because aggressive behavior can potentially endanger passengers, crew members and the operation of the aircraft.