| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 27 | BUF | ORD | 19:29 | 19:54 |
Landed
|
Track > |
| Feb 26 | BUF | ORD | 19:22 | 19:44 |
Landed
|
Track > |
| Feb 23 | BUF | ORD | 20:18 | 20:36 |
Landed
|
Track > |
| Feb 22 | BUF | ORD | 22:00 | 20:30 |
Unknown
|
Track > |
| Feb 20 | BUF | ORD | 19:53 | 20:19 |
Landed
|
Track > |
| Feb 19 | BUF | ORD | 21:45 | 22:07 |
Delayed
|
Track > |
| Feb 16 | BUF | ORD | 19:32 | 19:57 |
Landed
|
Track > |
| Feb 15 | BUF | ORD | 19:46 | 20:02 |
Landed
|
Track > |
| Feb 13 | BUF | ORD | 19:23 | 19:47 |
Landed
|
Track > |
| Feb 12 | BUF | ORD | 19:31 | 19:54 |
Landed
|
Track > |
United Airlines Flight UA4584 connects Buffalo, United States to Chicago, United States, taking off from Buffalo Niagara International Airport BUF and landing at Chicago O'Hare International Airport ORD.
How long is the UA4584 flight from Buffalo to Chicago?
The average flight time from Buffalo to Chicago is 1 hour and 22 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 534 km/h / 332 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4584 Buffalo to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4584 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4584 arriving at?
Flight UA4584 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA4584 flight?
The latest flight took off on Saturday, February 28th, 2026 with the flight status being Landed on 19:54.
How else can the flight UA4584 be referenced as?
This United Airlines flight can also be referenced as UAL4584, UA 4584, UAL 4584.
How often is flight UA4584 delayed?
On average, 20% of all UA4584 flights are delayed. The average delay is 51 minutes.
Can I get compensation for my delayed or cancelled UA4584 flight or baggage issues?
If your UA4584 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 UA4584 Flight Tracker above for more details.
Flight UA4584 is code-shared by 2 airlines using the flight numbers AC3221, NZ2112
Other flights departing from Buffalo BUF: UA4558, WN568, WN719, WN716
Other flights arriving at Chicago ORD: UA699, UA1850, UA2480, UA4748
All flights connecting Buffalo BUF to Chicago ORD.