UA504 United Airlines - Flight Status

Codeshare Flights
The flight TP8498 from TAP Air Portugal (TP) is a codeshare flight operated by United Airlines (UA) under the flight number UA504. Check this page for details about flight UA504.

Below, you can find details about United Airlines flight UA504, which currently operates between the airports of Newark - Newark Liberty International Airport (Airport Code EWR) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Tuesday, June 23, 2026.

UA504 On Time performance:
100
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UA504 United Airlines to Dulles

Scheduled - On-time
Flight Status for Tuesday June 23, 2026

Airline information

United Airlines
United Airlines
Equipment: Boeing 737-900 Passenger (Scimitar Winglets)

Departure

Newark (EWR)
June 23, 2026
Newark Liberty International Airport
Estimated Departure Time:
06:00 am
Terminal:
C
Gate:
C132
Scheduled Departure Time: 06:00 am

Arrival

Dulles (IAD)
June 23, 2026
Washington Dulles International Airport
Estimated Arrival Time:
07:22 am
Terminal:
-
Gate:
C12
Scheduled Arrival Time: 07:22 am
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.airport-ewr.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:

- AV2233 - Avianca

- ET1387 - Ethiopian Airlines

- TP8498 - TAP Air Portugal

Additional Information

Which is the frequency of flight UA504?
The flight UA504 is scheduled to flight on Tuesday, Saturday on a weekly basis.

Which is the distance of flight UA504?
The distance between the two airports is 211 miles.

Which is the flight time of flight UA504?
The scheduled flight time gate to gate is: 01:22 hours.
The real flight time gate to gate on average is: 01:18 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airlines serves the same route between Newark and Dulles:

Mountain Air Cargo
- Flight Number: MTN8300. (On Time performance: 63 - Average Delay: 12 minutes)
- Flight Number: MTN8302. (On Time performance: 63 - Average Delay: 11 minutes)
- Flight Number: MTN8313. (On Time performance: 29 - Average Delay: 35 minutes)

United Airlines
- Flight Number: UA1366. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA1413. (On Time performance: 84 - Average Delay: 4 minutes)
- Flight Number: UA1784. (On Time performance: 79 - Average Delay: 16 minutes)
- Flight Number: UA1992. (On Time performance: 76 - Average Delay: 10 minutes)
- Flight Number: UA2677. (On Time performance: 71 - Average Delay: 22 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from June 02, 2026 to June 20, 2026, we have obtained these figures.
Total number of flights: 6
On Time: 6 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 1 minutes.
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 UA504

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
20 June
05:58 am
Newark (EWR)
07:07 am
Dulles (IAD)
01h 09min
Boeing 737-900
Boeing 737-900
Landed - On-time
Tuesday
16 June
05:59 am
Newark (EWR)
07:18 am
Dulles (IAD)
01h 19min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
13 June
05:56 am
Newark (EWR)
07:30 am
Dulles (IAD)
01h 34min
Boeing 737-900
Boeing 737-900
Landed - On-time
Tuesday
09 June
05:49 am
Newark (EWR)
06:57 am
Dulles (IAD)
01h 08min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
06 June
05:55 am
Newark (EWR)
07:08 am
Dulles (IAD)
01h 13min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
02 June
05:54 am
Newark (EWR)
07:17 am
Dulles (IAD)
01h 23min
Boeing 737MAX
Boeing 737MAX
Landed - On-time