UA 4578 Greensboro to Washington Flight Status

United Airlines Flight UA4578 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 November 28th, 2025.
Check the table below for UA4578's most recent flight history:

UA 4578 Flight Status & Schedule

Date Departure Arrival Status
Nov 28 20:11 20:56
Landed
Track >
Nov 21 20:00 20:53
Landed
Track >
Nov 14 19:58 20:53
Landed
Track >
Nov 07 20:31 21:19
Landed
Track >
Oct 31 20:46 21:25
Landed
Track >

United Airlines UA 4578 Greensboro to Washington Flight Information

United Airlines Flight UA4578 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 UA4578 flight from Greensboro to Washington?

The average flight time from Greensboro to Washington is 48 minutes. The flight distance is 385 km / 239 miles and the average flight speed is 488 km/h / 303 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4578 Greensboro to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA4578 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4578 arriving at?

Flight UA4578 arrives at Washington Dulles International Airport (IAD) Terminal M.

When was the latest UA4578 flight?

The latest flight took off on Saturday, November 29th, 2025 with the flight status being Landed on 20:56.

How else can the flight UA4578 be referenced as?

This United Airlines flight can also be referenced as UAL4578, UA 4578, UAL 4578.

How often is flight UA4578 delayed?

On average, 40% of all UA4578 flights are delayed. The average delay is 10 minutes.

Can I get compensation for my delayed or cancelled UA4578 flight or baggage issues?

If your UA4578 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 UA4578 Flight Tracker above for more details.

UA4578 and Greensboro GSO to Washington IAD Flights

Flight UA4578 is code-shared by 3 airlines using the flight numbers AC4688, AV2065, LH8545

Other flights departing from Greensboro GSO: AA2824, AA4437, AA3804, DL3128

Other flights arriving at Washington IAD: UA4030, UA4326, UA4396, UA1082

All flights connecting Greensboro GSO to Washington IAD.

UA4578 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.