| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 11 | BOS | ORD | 18:00 | 19:15 |
Landed
|
Track > |
| Feb 10 | BOS | ORD | 17:56 | 19:26 |
Landed
|
Track > |
| Feb 09 | BOS | ORD | 16:49 | 18:15 |
Landed
|
Track > |
| Feb 08 | BOS | ORD | 16:40 | 17:52 |
Landed
|
Track > |
| Feb 07 | BOS | ORD | 17:30 | 18:50 |
Landed
|
Track > |
| Feb 06 | BOS | ORD | 17:30 | 18:54 |
Landed
|
Track > |
| Feb 05 | BOS | ORD | 17:14 | 19:02 |
Landed Late
|
Track > |
| Feb 04 | BOS | ORD | 17:53 | 19:30 |
Landed
|
Track > |
| Feb 03 | BOS | ORD | 17:44 | 19:16 |
Landed
|
Track > |
| Feb 02 | BOS | ORD | 16:47 | 18:05 |
Landed
|
Track > |
American Airlines Flight AA4545 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 AA4545 flight from Boston to Chicago?
The average flight time from Boston to Chicago is 2 hours and 26 minutes. The flight distance is 1391 km / 864 miles and the average flight speed is 574 km/h / 356 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA4545 Boston to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA4545 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA4545 arriving at?
Flight AA4545 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA4545 flight?
The latest flight took off on Thursday, February 12th, 2026 with the flight status being Landed on 19:15.
How else can the flight AA4545 be referenced as?
This American Airlines flight can also be referenced as AAL4545, AA 4545, AAL 4545.
How often is flight AA4545 delayed?
On average, 30% of all AA4545 flights are delayed. The average delay is 14 minutes.
Can I get compensation for my delayed or cancelled AA4545 flight or baggage issues?
If your AA4545 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 AA4545 Flight Tracker above for more details.
Flight AA4545 is code-shared by 3 airlines using the flight numbers AS6820, BA6791, IB4725
Other flights departing from Boston BOS: AA1197, B62401, AA2632, B62951
Other flights arriving at Chicago ORD: AA6306, UA2278, AA4986, AA4017
All flights connecting Boston BOS to Chicago ORD.