Home » AIRLINE NEWS » United Airlines Faces Chaos As IT Failure Grounds More Than One Thousand Flights Published on August 7, 2025 |By: TTW News DeskUnited Airlines (UA) faced a widespread meltdown when a core IT failure grounded over 1,000 flights. The meltdown was traced to Unimatic, a legacy dispatch system, and it triggered a wave of delays and cancellations at key U.S. hubs: Chicago O’Hare...