UA4599 United Airlines - Flight Status
Codeshare Flights
The flight LH8831 from Lufthansa (LH) is a codeshare flight operated by United Airlines (UA) under the flight number UA4599. Check this page for details about flight UA4599.
Below, you can find details about United Airlines flight UA4599, which currently operates between the airports of Raleigh/Durham - Raleigh-Durham International Airport (Airport Code RDU) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Thursday, August 20, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4599
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA4599
UA4599 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
UA4599 United Airlines to Dulles
Scheduled - On-time
Flight Status for Thursday August 20, 2026
Scheduled - On-time
Flight Status for Thursday August 20, 2026
Airline information
United Airlines
Equipment: Canadair (Bombardier) Regional Jet 550
Departure
Raleigh/Durham (RDU)
August 20, 2026
Raleigh-Durham International Airport
Estimated Departure Time:
03:05 pm
Terminal:
2
Gate:
D15
Scheduled Departure Time: 03:05 pm
Arrival
Dulles (IAD)
August 20, 2026
Washington Dulles International Airport
Estimated Arrival Time:
04:19 pm
Terminal:
-
Gate:
A3B
Scheduled Arrival Time: 04:19 pm
Baggage: 4
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.raleigh-durham-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC3396 - Air Canada
- LH8831 - Lufthansa
- OS7824 - Austrian
- SN8987 - Brussels Airlines
Additional Information
Which is the frequency of flight UA4599?
The flight UA4599 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight UA4599?
The distance between the two airports is 225 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight UA4599 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.
Which is the distance of flight UA4599?
The distance between the two airports is 225 miles.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airline serve the same route between Raleigh/Durham and Dulles:
United Airlines - Flight Number: UA1535. (On Time performance: 85 - Average Delay: 10 minutes)
United Airlines - Flight Number: UA1535. (On Time performance: 85 - Average Delay: 10 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights UA4599
Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
19 August
19 August
03:05 pm
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
04:19 pm
Dulles (IAD)
Dulles (IAD)
01h 14min
Canadair (Bomb
Canadair (Bomb
Tuesday
18 August
18 August
03:03 pm
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
04:04 pm
Dulles (IAD)
Dulles (IAD)
01h 01min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
17 August
17 August
03:00 pm
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
04:16 pm
Dulles (IAD)
Dulles (IAD)
01h 16min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Sunday
16 August
16 August
02:59 pm
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
04:12 pm
Dulles (IAD)
Dulles (IAD)
01h 13min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Friday
14 August
14 August
02:55 pm
Raleigh/Durham (RDU)
Raleigh/Durham (RDU)
04:01 pm
Dulles (IAD)
Dulles (IAD)
01h 06min
Canadair (Bomb
Canadair (Bomb
Landed - On-time