| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 05 | PIT | ORD | 07:58 | 08:00 |
Landed
|
Track > |
| Oct 04 | PIT | ORD | 08:13 | 08:17 |
Landed
|
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| Oct 03 | PIT | ORD | 07:56 | 08:00 |
Landed
|
Track > |
| Oct 02 | PIT | ORD | 07:57 | 08:11 |
Landed
|
Track > |
| Oct 01 | PIT | ORD | 08:43 | 08:50 |
Landed
|
Track > |
| Sep 30 | PIT | ORD | 08:09 | 08:22 |
Landed
|
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| Sep 29 | PIT | ORD | 08:05 | 08:11 |
Landed
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| Sep 28 | PIT | ORD | 08:27 | 08:37 |
Landed
|
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| Sep 27 | PIT | ORD | 07:59 | 07:59 |
Landed
|
Track > |
| Sep 26 | PIT | ORD | 08:14 | 08:17 |
Landed
|
Track > |
American Airlines Flight AA4521 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 AA4521 flight from Pittsburgh to Chicago?
The average flight time from Pittsburgh to Chicago is 1 hour and 6 minutes. The flight distance is 662 km / 412 miles and the average flight speed is 602 km/h / 374 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA4521 Pittsburgh to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA4521 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA4521 arriving at?
Flight AA4521 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA4521 flight?
The latest flight took off on Sunday, October 5th, 2025 with the flight status being Landed on 08:00.
How else can the flight AA4521 be referenced as?
This American Airlines flight can also be referenced as AAL4521, AA 4521, AAL 4521.
How often is flight AA4521 delayed?
On average, 10% of all AA4521 flights are delayed. The average delay is 7 minutes.
Can I get compensation for my delayed or cancelled AA4521 flight or baggage issues?
If your AA4521 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 AA4521 Flight Tracker above for more details.
Flight AA4521 is code-shared by 3 airlines using the flight numbers AS4435, JL7675, QF4307
Other flights departing from Pittsburgh PIT: DL1118, WN1427, AA999, G41110
Other flights arriving at Chicago ORD: AA3772, AA3126, AA3586, AA5159
All flights connecting Pittsburgh PIT to Chicago ORD.
