| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 29 | PIT | ORD | 16:21 | 16:43 |
Landed
|
Track > |
| Apr 28 | PIT | ORD | 16:18 | 16:37 |
Landed
|
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| Apr 25 | PIT | ORD | 16:10 | 16:24 |
Landed
|
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| Apr 22 | PIT | ORD | 16:16 | 16:46 |
Landed
|
Track > |
| Apr 21 | PIT | ORD | 18:08 | 18:23 |
Delayed
|
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| Apr 18 | PIT | ORD | 16:15 | 16:35 |
Landed
|
Track > |
| Apr 15 | PIT | ORD | 16:18 | 16:31 |
Landed
|
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| Apr 14 | PIT | ORD | 18:26 | 18:38 |
Delayed
|
Track > |
| Apr 08 | PIT | ORD | 16:13 | 16:22 |
Landed
|
Track > |
| Apr 07 | PIT | ORD | 16:10 | 16:34 |
Landed
|
Track > |
United Airlines Flight UA5666 connects Pittsburgh, United States to Chicago, United States, taking off from Pittsburgh International Airport PIT and landing at Chicago O'Hare International Airport ORD.
How long is the UA5666 flight from Pittsburgh to Chicago?
The average flight time from Pittsburgh to Chicago is 1 hour and 17 minutes. The flight distance is 662 km / 412 miles and the average flight speed is 514 km/h / 319 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA5666 Pittsburgh to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA5666 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA5666 arriving at?
Flight UA5666 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA5666 flight?
The latest flight took off on Wednesday, April 29th, 2026 with the flight status being Landed on 16:43.
How else can the flight UA5666 be referenced as?
This United Airlines flight can also be referenced as UAL5666, UA 5666, UAL 5666.
How often is flight UA5666 delayed?
On average, 20% of all UA5666 flights are delayed. The average delay is 90 minutes.
Can I get compensation for my delayed or cancelled UA5666 flight or baggage issues?
If your UA5666 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 UA5666 Flight Tracker above for more details.
Flight UA5666 is code-shared by 4 airlines using the flight numbers AC4188, EK6326, NH7441, NZ2758
Other flights departing from Pittsburgh PIT: DL3574, DL5818, DL5436, DL4871
Other flights arriving at Chicago ORD: UA5482, UA365, UA3420, UA4535
All flights connecting Pittsburgh PIT to Chicago ORD.