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UA4577 Flight Status United Airlines: Greensboro to Washington (UAL4577)

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UA 4577 Greensboro to Washington Flight Status

United Airlines Flight UA4577 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 March 30th, 2026.
Check the table below for UA4577's most recent flight history:

UA 4577 Flight Status & Schedule

Date Departure Arrival Status
Mar 30 19:39 20:28
Landed
 Track >
Mar 29 19:37 20:30
Landed
 Track >
< All GSO Departures All IAD Arrivals >

United Airlines UA 4577 Greensboro to Washington Flight Information

United Airlines Flight UA4577 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 UA4577 flight from Greensboro to Washington?

The average flight time from Greensboro to Washington is 51 minutes. The flight distance is 385 km / 239 miles and the average flight speed is 453 km/h / 282 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4577 Greensboro to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA4577 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4577 arriving at?

Flight UA4577 arrives at Washington Dulles International Airport (IAD) Terminal S.

When was the latest UA4577 flight?

The latest flight took off on Tuesday, March 31st, 2026 with the flight status being Landed on 20:28.

How else can the flight UA4577 be referenced as?

This United Airlines flight can also be referenced as UAL4577, UA 4577, UAL 4577.

How often is flight UA4577 delayed?

On average, 0% of all UA4577 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA4577 flight or baggage issues?

If your UA4577 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 UA4577 Flight Tracker above for more details.

UA4577 and Greensboro GSO to Washington IAD Flights

Flight UA4577 is code-shared by 3 airlines using the flight numbers AC4688, AV2065, LH8545

Other flights departing from Greensboro GSO: AA4574, G4229, AA3459, AA5788

Other flights arriving at Washington IAD: WN4166, AA2654, UA4552, UA6132

All flights connecting Greensboro GSO to Washington IAD.

UA4577 United Airlines Flight: Greensboro to Washington Route Map

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