| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 05 | BOS | ORD | 19:43 | 20:58 |
Landed
|
Track > |
| Jul 30 | BOS | ORD | 20:38 | 21:58 |
Landed Late
|
Track > |
| Jul 29 | BOS | ORD | 19:44 | 21:01 |
Landed
|
Track > |
| Jul 23 | BOS | ORD | 19:52 | 21:02 |
Landed
|
Track > |
| Jul 22 | BOS | ORD | 19:52 | 21:08 |
Landed
|
Track > |
| Jul 16 | BOS | ORD | 19:14 | 21:20 |
Cancelled
|
Track > |
| Claim > | ||||||
| Jul 15 | BOS | ORD | 20:07 | 21:16 |
Landed
|
Track > |
| Jul 09 | BOS | ORD | 21:33 | 22:48 |
Landed Late
|
Track > |
| Jul 08 | BOS | ORD | 19:39 | 20:51 |
Landed
|
Track > |
| Jun 25 | BOS | ORD | 19:24 | 21:29 |
Cancelled
|
Track > |
American Airlines Flight AA4778 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 AA4778 flight from Boston to Chicago?
The average flight time from Boston to Chicago is 2 hours and 24 minutes. The flight distance is 1391 km / 864 miles and the average flight speed is 588 km/h / 365 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA4778 Boston to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA4778 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA4778 arriving at?
Flight AA4778 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA4778 flight?
The latest flight took off on Wednesday, August 6th, 2025 with the flight status being Landed on 20:58.
How else can the flight AA4778 be referenced as?
This American Airlines flight can also be referenced as AAL4778, AA 4778, AAL 4778.
How often is flight AA4778 delayed?
On average, 30% of all AA4778 flights are delayed. The average delay is 119 minutes.
Can I get compensation for my delayed or cancelled AA4778 flight or baggage issues?
If your AA4778 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 AA4778 Flight Tracker above for more details.
Flight AA4778 is code-shared by 3 airlines using the flight numbers AS4674, JL7313, QR7780
Other flights departing from Boston BOS: AA4404, NK1806, NK1841, NK1231
Other flights arriving at Chicago ORD: AA3090, AA1855, AA3592, AA4018
All flights connecting Boston BOS to Chicago ORD.
