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UA 4188 Greensboro to Washington Flight Status

United Airlines Flight UA4188 from Greensboro Piedmont Triad International Airport GSO to Washington Dulles International Airport IAD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 18th, 2026.
Check the table below for UA4188's most recent flight history:

UA 4188 Flight Status & Schedule

Date Departure Arrival Status
May 18 10:25 11:17
Landed
Track >
May 17 10:25 11:09
Landed
Track >
May 16 10:26 11:13
Landed
Track >
May 15 10:24 11:12
Landed
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May 11 10:32 11:13
Landed
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United Airlines UA 4188 Greensboro to Washington Flight Information

United Airlines Flight UA4188 connects Greensboro, United States to Washington, United States, taking off from Greensboro Piedmont Triad International Airport GSO and landing at Washington Dulles International Airport IAD.

How long is the UA4188 flight from Greensboro to Washington?

The average flight time from Greensboro to Washington is 50 minutes. The flight distance is 385 km / 239 miles and the average flight speed is 469 km/h / 291 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4188 Greensboro to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA4188 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4188 flight?

The latest flight took off on Monday, May 18th, 2026 with the flight status being Landed on 11:17.

How else can the flight UA4188 be referenced as?

This United Airlines flight can also be referenced as UAL4188, UA 4188, UAL 4188.

How often is flight UA4188 delayed?

On average, 0% of all UA4188 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA4188 flight or baggage issues?

If your UA4188 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 UA4188 Flight Tracker above for more details.

UA4188 and Greensboro GSO to Washington IAD Flights

Flight UA4188 is code-shared by 3 airlines using the flight numbers AC4688, AV2065, LH8563

Other flights departing from Greensboro GSO: UA5506, AA6037, AA4127, AA4445

Other flights arriving at Washington IAD: UA1392, UA4495, UA4075, UA4974

All flights connecting Greensboro GSO to Washington IAD.

UA4188 United Airlines Flight: Greensboro to Washington 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.