| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | BOS | ORD | 21:02 | 22:20 |
Delayed
|
Track > |
| Jan 02 | BOS | ORD | 19:06 | 20:24 |
Landed
|
Track > |
| Jan 01 | BOS | ORD | 18:53 | 20:10 |
Landed
|
Track > |
| Dec 30 | BOS | ORD | 05:00 | 21:04 |
Unknown
|
Track > |
| Dec 29 | BOS | ORD | 19:39 | 20:52 |
Landed
|
Track > |
| Dec 28 | BOS | ORD | 19:11 | 20:45 |
Landed
|
Track > |
| Dec 26 | BOS | ORD | 19:35 | 20:52 |
Landed
|
Track > |
American Airlines Flight AA1121 connects Boston, United States to Chicago, United States, taking off from Boston Logan International Airport BOS and landing at Chicago O'Hare International Airport ORD.
How long is the AA1121 flight from Boston to Chicago?
The average flight time from Boston to Chicago is 2 hours and 19 minutes. The flight distance is 1391 km / 864 miles and the average flight speed is 576 km/h / 358 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA1121 Boston to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA1121 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA1121 arriving at?
Flight AA1121 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA1121 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being En-Route on 22:20.
How else can the flight AA1121 be referenced as?
This American Airlines flight can also be referenced as AAL1121, AA 1121, AAL 1121.
How often is flight AA1121 delayed?
On average, 14% of all AA1121 flights are delayed. The average delay is 76 minutes.
Can I get compensation for my delayed or cancelled AA1121 flight or baggage issues?
If your AA1121 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 AA1121 Flight Tracker above for more details.
Other flights departing from Boston BOS: AA4674, WN1436, AA4479, WN1429
Other flights arriving at Chicago ORD: 3S442, AA3424, UA1950, AA4468
All flights connecting Boston BOS to Chicago ORD.