| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 11 | LAX | ORD | 12:57 | 18:13 |
Landed
|
Track > |
| Feb 10 | LAX | ORD | 17:05 | 22:52 |
Delayed
|
Track > |
| Feb 04 | LAX | ORD | 12:53 | 19:05 |
Landed
|
Track > |
| Feb 03 | LAX | ORD | 13:44 | 19:28 |
Delayed
|
Track > |
American Airlines Flight AA503 connects Los Angeles, United States to Chicago, United States, taking off from Los Angeles International Airport LAX and landing at Chicago O'Hare International Airport ORD.
How long is the AA503 flight from Los Angeles to Chicago?
The average flight time from Los Angeles to Chicago is 3 hours and 44 minutes. The flight distance is 2802 km / 1741 miles and the average flight speed is 754 km/h / 468 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA503 Los Angeles to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA503 is 3.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA503 arriving at?
Flight AA503 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA503 flight?
The latest flight took off on Thursday, February 12th, 2026 with the flight status being Landed on 18:13.
How else can the flight AA503 be referenced as?
This American Airlines flight can also be referenced as AAL503, AA0503, AA 503, AAL 503.
How often is flight AA503 delayed?
On average, 75% of all AA503 flights are delayed. The average delay is 88 minutes.
Can I get compensation for my delayed or cancelled AA503 flight or baggage issues?
If your AA503 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 AA503 Flight Tracker above for more details.
Flight AA503 is code-shared by 6 airlines using the flight numbers BA4789, EI7295, JL7520, MH9556, QF3152, TN1164
Other flights departing from Los Angeles LAX: AA1943, WN1188, UA4704, WN2406
Other flights arriving at Chicago ORD: AA379, AA2174, AA6227, AA3512
All flights connecting Los Angeles LAX to Chicago ORD.