| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 30 | ROC | IAD | 15:00 | 16:21 |
Scheduled
|
Track > |
| Jul 29 | ROC | IAD | 15:08 | 16:03 |
Landed
|
Track > |
| Jul 28 | ROC | IAD | 19:29 | 16:21 |
Unknown
|
Track > |
| Jul 26 | ROC | IAD | 15:10 | 16:05 |
Landed
|
Track > |
| Jul 24 | ROC | IAD | 15:06 | 15:53 |
Landed
|
Track > |
| Jul 23 | ROC | IAD | 15:14 | 16:09 |
Landed
|
Track > |
| Jul 22 | ROC | IAD | 15:05 | 15:56 |
Landed
|
Track > |
| Jul 21 | ROC | IAD | 15:00 | 16:21 |
Cancelled
|
Track > |
| Claim > | ||||||
| Jul 19 | ROC | IAD | 15:05 | 16:04 |
Landed
|
Track > |
| Jul 17 | ROC | IAD | 15:05 | 15:59 |
Landed
|
Track > |
United Airlines Flight UA4521 connects Rochester, United States to Washington, United States, taking off from Rochester International Airport ROC and landing at Washington Dulles International Airport IAD.
How long is the UA4521 flight from Rochester to Washington?
The average flight time from Rochester to Washington is 53 minutes. The flight distance is 464 km / 288 miles and the average flight speed is 468 km/h / 291 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4521 Rochester to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA4521 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4521 flight?
The latest flight took off on Thursday, July 30th, 2026 with the flight status being Scheduled on 16:21.
How else can the flight UA4521 be referenced as?
This United Airlines flight can also be referenced as UAL4521, UA 4521, UAL 4521.
How often is flight UA4521 delayed?
On average, 0% of all UA4521 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA4521 flight or baggage issues?
If your UA4521 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 UA4521 Flight Tracker above for more details.
Flight UA4521 is code-shared by 3 airlines using the flight numbers LH8979, OS7820, SN8977
Other flights departing from Rochester ROC: MX329, AA5907, PT5907, G74521
Other flights arriving at Washington IAD: UA4387, UA6265, YV6265, G74521
All flights connecting Rochester ROC to Washington IAD.