UA4184 United Airlines - Flight Status

Codeshare Flights
The flight TP8500 from TAP Air Portugal (TP) is a codeshare flight operated by United Airlines (UA) under the flight number UA4184. Check this page for details about flight UA4184.

Below, you can find details about United Airlines flight UA4184, which currently operates between the airports of Newark - Newark Liberty International Airport (Airport Code EWR) and Washington - Ronald Reagan Washington National Airport (Airport Code DCA).
This flight data pertains specifically to the flight's details for Monday, September 21, 2026.

UA4184 On Time performance:
67
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

UA4184 United Airlines to Washington

Scheduled - On-time
Flight Status for Monday September 21, 2026
This flight is also scheduled for Today (September 20, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Canadair (Bombardier) Regional Jet 550

Departure

Newark (EWR)
September 21, 2026
Newark Liberty International Airport
Estimated Departure Time:
06:25 am
Terminal:
C
Gate:
C111
Scheduled Departure Time: 06:25 am

Arrival

Washington (DCA)
September 21, 2026
Ronald Reagan Washington National Airport
Estimated Arrival Time:
07:49 am
Terminal:
2
Gate:
-
Scheduled Arrival Time: 07:49 am
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:

- TP8500 - TAP Air Portugal

Additional Information

Which is the frequency of flight UA4184?
The flight UA4184 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight UA4184?
The distance between the two airports is 198 miles.

Which is the flight time of flight UA4184?
The scheduled flight time gate to gate is: 01:24 hours.
The real flight time gate to gate on average is: 01:33 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 airline serve the same route between Newark and Washington:
United Airlines - Flight Number: UA3501. (On Time performance: 91 - Average Delay: 4 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 September 08, 2026 to September 14, 2026, we have obtained these figures.
Total number of flights: 6
On Time: 4 ( 67 % )
Moderate Delay: 1 ( 17 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 17 % )

Average Delay: 21 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: We have gathered available data from last twelve closed months, spanning from December 18, 2025 to March 04, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights UA4184

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
18 September
06:24 am
Newark (EWR)
07:52 am
Washington (DCA)
01h 28min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
17 September
06:29 am
Newark (EWR)
07:56 am
Washington (DCA)
01h 27min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Wednesday
16 September
06:15 am
Newark (EWR)
07:48 am
Washington (DCA)
01h 33min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Tuesday
15 September
06:20 am
Newark (EWR)
07:49 am
Washington (DCA)
01h 29min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
14 September
06:22 am
Newark (EWR)
07:48 am
Washington (DCA)
01h 26min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Sunday
13 September
06:23 am
Newark (EWR)
08:03 am
Washington (DCA)
01h 40min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Friday
11 September
07:31 am
()
09:30 am
Washington (DCA)
Canadair (Bomb
Canadair (Bomb
Landed - DIVERTED
Friday
11 September
08:43 am
Newark (EWR)
09:26 am
Newark (EWR)
Canadair (Bomb
Canadair (Bomb
Landed - DIVERTED
Thursday
10 September
06:17 am
Newark (EWR)
07:49 am
Washington (DCA)
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Wednesday
09 September
06:20 am
Newark (EWR)
07:47 am
Washington (DCA)
Canadair (Bomb
Canadair (Bomb
Landed - On-time