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UA 400 Washington to Wilmington Flight Status

United Airlines Flight UA400 from Washington Dulles International Airport IAD to Wilmington New Castle Airport ILG is not scheduled for today September 30th, 2026.
The last time the flight was scheduled was on September 15th, 2026.
Check the table below for UA400's most recent flight history:

UA 400 Flight Status & Schedule

Date Departure Arrival Status
Sep 15 13:52 14:18
En-Route
Track >

United Airlines UA 400 Washington to Wilmington Flight Information

United Airlines Flight UA400 connects Washington, United States to Wilmington, United States, taking off from Washington Dulles International Airport IAD and landing at Wilmington New Castle Airport ILG.

What is the On-Time Performance (OTP) of United Airlines Flight UA400 Washington to Wilmington?

The Airportia On-Time Performance Rating for United Airlines Flight UA400 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA400 flight?

The latest flight took off on Tuesday, September 15th, 2026 with the flight status being En-Route on 14:18.

How else can the flight UA400 be referenced as?

This United Airlines flight can also be referenced as UAL400, UA0400, UA 400, UAL 400.

How often is flight UA400 delayed?

On average, 0% of all UA400 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA400 flight or baggage issues?

If your UA400 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our UA400 Flight Tracker above for more details.

UA400 and Washington IAD to Wilmington ILG Flights

Other flights departing from Washington IAD: YV6313, UA1786, UA3908, JL801

Other flights arriving at Wilmington ILG: XP560, XP468

All flights connecting Washington IAD to Wilmington ILG.

UA400 United Airlines Flight: Washington to Wilmington Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.