A Delta Air Lines flight departing Ronald Reagan National Airport near Washington, D.C., experienced a close call with an Air Force jet just after takeoff Friday afternoon, authorities confirmed. Both flights ultimately continued to their destinations without incident.

The arrest of an F.A.A. employee on assault and battery charges comes as flight operations at the airport have been under scrutiny since a passenger jet and an Army helicopter collided in January.

When senators grilled the Federal Aviation Administration last week about how the agency could have let the high number of close calls between helicopters and commercial jetliners occur at Ronald Reagan Washington National Airport,