| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 15 | BWI | ORD | 20:01 | 20:42 |
Landed
|
Track > |
| Dec 14 | BWI | ORD | 19:37 | 20:19 |
Landed
|
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| Dec 13 | BWI | ORD | 19:35 | 20:28 |
Landed
|
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| Dec 12 | BWI | ORD | 19:32 | 20:42 |
Landed
|
Track > |
| Dec 11 | BWI | ORD | 19:40 | 20:36 |
Landed
|
Track > |
| Dec 08 | BWI | ORD | 20:01 | 20:41 |
Landed
|
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| Dec 07 | BWI | ORD | 21:56 | 22:43 |
Delayed
|
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| Dec 06 | BWI | ORD | 19:34 | 20:26 |
Landed
|
Track > |
| Dec 05 | BWI | ORD | 20:10 | 21:01 |
Landed
|
Track > |
| Dec 04 | BWI | ORD | 19:54 | 20:50 |
Landed
|
Track > |
American Airlines Flight AA3878 connects Baltimore, United States to Chicago, United States, taking off from Baltimore Washington International Airport BWI and landing at Chicago O'Hare International Airport ORD.
How long is the AA3878 flight from Baltimore to Chicago?
The average flight time from Baltimore to Chicago is 1 hour and 50 minutes. The flight distance is 998 km / 620 miles and the average flight speed is 544 km/h / 338 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA3878 Baltimore to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA3878 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA3878 arriving at?
Flight AA3878 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA3878 flight?
The latest flight took off on Tuesday, December 16th, 2025 with the flight status being Landed on 20:42.
How else can the flight AA3878 be referenced as?
This American Airlines flight can also be referenced as AAL3878, AA 3878, AAL 3878.
How often is flight AA3878 delayed?
On average, 20% of all AA3878 flights are delayed. The average delay is 55 minutes.
Can I get compensation for my delayed or cancelled AA3878 flight or baggage issues?
If your AA3878 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 AA3878 Flight Tracker above for more details.
Flight AA3878 is code-shared by 1 airline using the flight number AS4520
Other flights departing from Baltimore BWI: AA2509, WN4526, WN1485, WN1748
Other flights arriving at Chicago ORD: AA914, UA1234, AA6234, AA4927
All flights connecting Baltimore BWI to Chicago ORD.
