UA 4555 Greenville-Spartanburg to Washington Flight Status

United Airlines Flight UA4555 from Greenville-Spartanburg International Airport GSP to Washington Dulles International Airport IAD is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on March 31st, 2026.
Check the table below for UA4555's most recent flight history:

UA 4555 Flight Status & Schedule

Date Departure Arrival Status
Mar 31 10:34 11:43
Landed
Track >
Mar 30 12:19 13:21
Delayed
Track >

United Airlines UA 4555 Greenville-Spartanburg to Washington Flight Information

United Airlines Flight UA4555 connects Greenville-Spartanburg, United States to Washington, United States, taking off from Greenville-Spartanburg International Airport GSP and landing at Washington Dulles International Airport IAD.

How long is the UA4555 flight from Greenville-Spartanburg to Washington?

The average flight time from Greenville-Spartanburg to Washington is 1 hour and 5 minutes. The flight distance is 618 km / 384 miles and the average flight speed is 568 km/h / 353 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4555 Greenville-Spartanburg to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA4555 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4555 arriving at?

Flight UA4555 arrives at Washington Dulles International Airport (IAD) Terminal 1I.

When was the latest UA4555 flight?

The latest flight took off on Tuesday, March 31st, 2026 with the flight status being Landed on 11:43.

How else can the flight UA4555 be referenced as?

This United Airlines flight can also be referenced as UAL4555, UA 4555, UAL 4555.

How often is flight UA4555 delayed?

On average, 50% of all UA4555 flights are delayed. The average delay is 75 minutes.

Can I get compensation for my delayed or cancelled UA4555 flight or baggage issues?

If your UA4555 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 UA4555 Flight Tracker above for more details.

UA4555 and Greenville-Spartanburg GSP to Washington IAD Flights

Flight UA4555 is code-shared by 3 airlines using the flight numbers AC4728, CM1204, OS7834

Other flights departing from Greenville-Spartanburg GSP: WN3412, AA5540, AA6048, AA5241

Other flights arriving at Washington IAD: UA3631, UA6156, AA5543, S9999

All flights connecting Greenville-Spartanburg GSP to Washington IAD.

UA4555 United Airlines Flight: Greenville-Spartanburg 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.