Informational Guide to Philadelphia Airport - PHL - NON OFFICIAL

UA4574 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA4574, which currently operates between the airports of Philadelphia - Philadelphia International Airport (Airport Code PHL) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Monday, April 20, 2026.

UA4574 On Time performance:
88
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

UA4574 United Airlines to Dulles

Landed - On-time
Flight Status for Monday April 20, 2026

Airline information

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

Departure

Philadelphia (PHL)
April 20, 2026
Philadelphia International Airport
Departed at:
02:46 pm
Terminal:
D
Gate:
D7
Scheduled Departure Time: 02:55 pm

Arrival

Dulles (IAD)
April 20, 2026
Washington Dulles International Airport
Arrived at:
03:38 pm
Terminal:
-
Gate:
A6C
Scheduled Arrival Time: 04:05 pm
Baggage: 5
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.philadelphia-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:

- AC3634 - Air Canada

Additional Information

Which is the frequency of flight UA4574?
The flight UA4574 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight UA4574?
The distance between the two airports is 134 miles.

Which is the flight time of flight UA4574?
The scheduled flight time gate to gate is: 01:10 hours.
The real flight time gate to gate on average is: 01:02 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 Philadelphia and Dulles:
United Airlines - Flight Number: UA4386. (On Time performance: 76 - Average Delay: 20 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 March 30, 2026 to April 17, 2026, we have obtained these figures.
Total number of flights: 16
On Time: 14 ( 88 % )
Moderate Delay: 1 ( 6 % )
Significant Delay: 0 ( 0 % )
Major Delay: 1 ( 6 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 7 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 UA4574

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
19 April
02:46 pm
Philadelphia (PHL)
03:46 pm
Dulles (IAD)
01h 00min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Friday
17 April
02:46 pm
Philadelphia (PHL)
03:40 pm
Dulles (IAD)
00h 54min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Thursday
16 April
02:51 pm
Philadelphia (PHL)
03:54 pm
Dulles (IAD)
01h 03min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Wednesday
15 April
02:52 pm
Philadelphia (PHL)
04:11 pm
Dulles (IAD)
01h 19min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Tuesday
14 April
02:45 pm
Philadelphia (PHL)
03:39 pm
Dulles (IAD)
00h 54min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Monday
13 April
02:59 pm
Philadelphia (PHL)
04:01 pm
Dulles (IAD)
01h 02min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Sunday
12 April
02:44 pm
Philadelphia (PHL)
03:43 pm
Dulles (IAD)
00h 59min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Friday
10 April
04:20 pm
Philadelphia (PHL)
05:21 pm
Dulles (IAD)
01h 01min
Canadair (Bomb
Canadair (Bomb
Landed - Delayed
Thursday
09 April
02:46 pm
Philadelphia (PHL)
04:06 pm
Dulles (IAD)
01h 20min
Canadair (Bomb
Canadair (Bomb
Landed - On-time
Wednesday
08 April
02:49 pm
Philadelphia (PHL)
03:48 pm
Dulles (IAD)
00h 59min
Canadair (Bomb
Canadair (Bomb
Landed - On-time