United Flight 884 from Dulles to Rome canceled after 12‑hour delay

United Airlines Flight 884, scheduled to leave Washington Dulles for Rome on October 2, was delayed for nearly 12 hours before being canceled at about 4 a.m. Saturday, with passengers rebooked on a later flight.
Scheduled departure and delay
United Airlines Flight 884 was scheduled to depart Washington Dulles International Airport at 5:35 p.m. on October 2 for Rome Fiumicino Airport. The flight experienced a delay of nearly 12 hours.
Reasons for delay and cancellation
The delay was attributed to a cockpit malfunction, severe thunderstorms, refueling, crew changes and further maintenance checks. The flight was canceled at about 4 a.m. Saturday because of crew time limits.
Rebooking of passengers
Passengers were rebooked on an extra flight that departed Saturday evening, more than 25 hours after the original scheduled departure. The rebooked flight was identified as UA3028.