| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | PHL | IAD | 10:54 | 11:33 |
Landed
|
Track > |
| Oct 24 | PHL | IAD | 11:00 | 11:37 |
Landed
|
Track > |
| Oct 22 | PHL | IAD | 10:51 | 11:30 |
Unknown
|
Track > |
| Oct 21 | PHL | IAD | 10:43 | 11:17 |
Landed
|
Track > |
| Oct 20 | PHL | IAD | 11:01 | 11:39 |
Landed
|
Track > |
| Oct 19 | PHL | IAD | 10:40 | 11:19 |
Landed
|
Track > |
| Oct 18 | PHL | IAD | 10:45 | 11:18 |
Landed
|
Track > |
| Oct 17 | PHL | IAD | 10:41 | 11:19 |
Landed
|
Track > |
| Oct 15 | PHL | IAD | 10:50 | 11:33 |
Landed
|
Track > |
| Oct 14 | PHL | IAD | 11:00 | 11:47 |
Landed
|
Track > |
United Airlines Flight UA4578 connects Philadelphia, United States to Washington, United States, taking off from Philadelphia International Airport PHL and landing at Washington Dulles International Airport IAD.
How long is the UA4578 flight from Philadelphia to Washington?
The average flight time from Philadelphia to Washington is 38 minutes. The flight distance is 217 km / 135 miles and the average flight speed is 339 km/h / 211 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4578 Philadelphia to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA4578 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4578 arriving at?
Flight UA4578 arrives at Washington Dulles International Airport (IAD) Terminal 2.
When was the latest UA4578 flight?
The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 11:33.
How else can the flight UA4578 be referenced as?
This United Airlines flight can also be referenced as UAL4578, UA 4578, UAL 4578.
How often is flight UA4578 delayed?
On average, 10% of all UA4578 flights are delayed. The average delay is 2 minutes.
Can I get compensation for my delayed or cancelled UA4578 flight or baggage issues?
If your UA4578 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 UA4578 Flight Tracker above for more details.
Flight UA4578 is code-shared by 2 airlines using the flight numbers AV2086, CM2266
Other flights departing from Philadelphia PHL: AA5105, AA3153, AA6121, AA809
Other flights arriving at Washington IAD: UA711, UA4434, UA1066, UA4837
All flights connecting Philadelphia PHL to Washington IAD.
