A Delta Air Lines long-haul service operating from the United States to Nigeria was forced to turn back mid-journey after spending several hours in the air, following what the airline described as an operational issue.

Flight DL54, which was scheduled to operate from Hartsfield–Jackson Atlanta International Airport to Lagos, departed Atlanta at about 5:42 p.m. EDT on May 9 aboard an Airbus A330-200 (registration N854W).

According to flight tracking data, the aircraft climbed to a cruising altitude of approximately 33,000 feet and maintained a normal eastbound route for roughly three and a half hours before the crew made the decision to reverse course.

The aircraft, which had already crossed a significant portion of the Atlantic, turned back toward its departure point after what the airline described as an unspecified operational issue.

Delta did not provide further details on the technical or logistical challenge that prompted the diversion.

Aviation tracking reports indicated that instead of diverting to an alternate airport in Europe or the Azores, the crew opted to return directly to Atlanta, suggesting the issue required attention at the airline’s main base.

The aircraft landed back in Atlanta in the early hours of Sunday, after which the airline cancelled the service for inspection and further technical checks.

The affected aircraft remained grounded in Atlanta for maintenance review following the incident.

The disruption subsequently affected the return leg of the route, as the Lagos–Atlanta service scheduled for Monday morning, operated as Flight DL55, was also cancelled. The departure from Lagos was initially set for 11:45 a.m.

As of the time of filing this report, passengers had not been given a clear update on when the next available flight to Atlanta would be rescheduled.

Delta Air Lines confirmed the disruption, stating only that the decision to return was due to an “operational issue,” without elaborating further.