Created Monday, Dec 8th 2025 18:53Z, last updated Monday, Dec 8th 2025 18:53Z
A United Airbus A321-200N, registration N14504 performing flight
UA-2100 from Newark,NJ to Chicago O'Hare,IL (USA), was enroute at FL350 about 120nm northwest of Newark when the crew initiated a rapid descent to 10,000 feet levelling off 12 minutes after leaving FL350. The aircraft returned to Newark for a safe landing on runway 22L about 65 minutes after departure.
A replacement A321-200N registration N14546 reached Chicago with a delay of about 4 hours.
The occurrence aircraft returned to service about 3 hours after landing.
Related Flight:
UA2100,
United Airlines News