| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | ATL | ORD | 20:35 | 21:03 |
Landed
|
Track > |
| May 19 | ATL | ORD | 20:20 | 21:12 |
Landed
|
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| May 18 | ATL | ORD | 22:16 | 22:56 |
Delayed
|
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| May 17 | ATL | ORD | 20:56 | 21:28 |
Landed
|
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| May 16 | ATL | ORD | 20:40 | 21:09 |
Landed
|
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| May 15 | ATL | ORD | 20:15 | 20:49 |
Landed
|
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| May 14 | ATL | ORD | 22:53 | 23:28 |
Delayed
|
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| May 13 | ATL | ORD | 20:25 | 21:04 |
Landed
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| May 12 | ATL | ORD | 20:17 | 20:48 |
Landed
|
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| May 11 | ATL | ORD | 20:19 | 21:01 |
Landed
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Track > |
American Airlines Flight AA1855 connects Atlanta, United States to Chicago, United States, taking off from Atlanta Hartsfield-Jackson International Airport ATL and landing at Chicago O'Hare International Airport ORD.
How long is the AA1855 flight from Atlanta to Chicago?
The average flight time from Atlanta to Chicago is 1 hour and 36 minutes. The flight distance is 976 km / 607 miles and the average flight speed is 612 km/h / 380 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA1855 Atlanta to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA1855 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA1855 arriving at?
Flight AA1855 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA1855 flight?
The latest flight took off on Thursday, May 21st, 2026 with the flight status being Landed on 21:03.
How else can the flight AA1855 be referenced as?
This American Airlines flight can also be referenced as AAL1855, AA 1855, AAL 1855.
How often is flight AA1855 delayed?
On average, 20% of all AA1855 flights are delayed. The average delay is 98 minutes.
Can I get compensation for my delayed or cancelled AA1855 flight or baggage issues?
If your AA1855 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 AA1855 Flight Tracker above for more details.
Flight AA1855 is code-shared by 5 airlines using the flight numbers AS6559, BA2425, GF6490, IB8364, MH9484
Other flights departing from Atlanta ATL: AA5022, AA1812, UA4633, AA4350
Other flights arriving at Chicago ORD: AA3960, AA1312, AA4409, AA3664
All flights connecting Atlanta ATL to Chicago ORD.