Airport Tips & Quick Reference Guide to LAX Airport

AA643 American Airlines - Flight Status

Codeshare Flights
The flight EI7103 from Aer Lingus (EI) is a codeshare flight operated by American Airlines (AA) under the flight number AA643. Check this page for details about flight AA643.

Below, you can find details about American Airlines flight AA643, which currently operates between the airports of Los Angeles - Los Angeles International Airport (Airport Code LAX) and Chicago - Chicago O'Hare International Airport (Airport Code ORD).
This flight data pertains specifically to the flight's details for Wednesday, November 04, 2026.

AA643 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

AA643 American Airlines to Chicago

Scheduled - On-time
Flight Status for Wednesday November 04, 2026
This flight was also scheduled for Yesterday (November 03, 2026). See it here
This flight is also scheduled for Tomorrow (November 05, 2026). See it here

Airline information

American Airlines
American Airlines
Equipment: Airbus A321

Departure

Los Angeles (LAX)
November 04, 2026
Los Angeles International Airport
Estimated Departure Time:
11:38 am
Terminal:
TB - Tom Bradley International Terminal (TBIT)
Gate:
141
Scheduled Departure Time: 11:38 am

Arrival

Chicago (ORD)
November 04, 2026
Chicago O'Hare International Airport
Estimated Arrival Time:
05:52 pm
Terminal:
3
Gate:
H15
Scheduled Arrival Time: 06:00 pm
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.los-angeles-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- BA6713 - British Airways

- EI7103 - Aer Lingus

- GF4182 - Gulf Air

- MH9555 - Malaysia Airlines

- QF4664 - Qantas

- TN1100 - Air Tahiti Nui

Additional Information

Which is the frequency of flight AA643?
The flight AA643 is scheduled to flight on Monday, Tuesday, Wednesday, Sunday on a weekly basis.

Which is the distance of flight AA643?
The distance between the two airports is 1742 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Los Angeles: 2026-11-04 11:16:58
Current Time in Chicago: 2026-11-04 13:16:58

Alternative Flights

The following airlines serves the same route between Los Angeles and Chicago:

American Airlines
- Flight Number: AA1178.
- Flight Number: AA1433. (On Time performance: 72 - Average Delay: 21 minutes)
- Flight Number: AA1598. (On Time performance: 79 - Average Delay: 12 minutes)
- Flight Number: AA1998. (On Time performance: 62 - Average Delay: 30 minutes)
- Flight Number: AA2123.
- Flight Number: AA2193.
- Flight Number: AA2475. (On Time performance: 86 - Average Delay: 68 minutes)
- Flight Number: AA2564.
- Flight Number: AA2891. (On Time performance: 73 - Average Delay: 19 minutes)
- Flight Number: AA2998. (On Time performance: 84 - Average Delay: 10 minutes)
- Flight Number: AA3028. (On Time performance: 67 - Average Delay: 22 minutes)
- Flight Number: AA3075. (On Time performance: 63 - Average Delay: 19 minutes)
- Flight Number: AA3083.
- Flight Number: AA383. (On Time performance: 85 - Average Delay: 11 minutes)
- Flight Number: AA725.
- Flight Number: AA885.
- Flight Number: AA899. (On Time performance: 86 - Average Delay: 12 minutes)

Delta Air Lines
- Flight Number: DL1634. (On Time performance: 72 - Average Delay: 14 minutes)
- Flight Number: DL2368. (On Time performance: 75 - Average Delay: 11 minutes)
- Flight Number: DL967. (On Time performance: 77 - Average Delay: 14 minutes)

United Airlines
- Flight Number: UA1328. (On Time performance: 97 - Average Delay: 1 minutes)
- Flight Number: UA1754. (On Time performance: 67 - Average Delay: 27 minutes)
- Flight Number: UA1941. (On Time performance: 77 - Average Delay: 22 minutes)
- Flight Number: UA1946. (On Time performance: 80 - Average Delay: 17 minutes)
- Flight Number: UA1962. (On Time performance: 90 - Average Delay: 5 minutes)
- Flight Number: UA2113. (On Time performance: 72 - Average Delay: 17 minutes)
- Flight Number: UA2231.
- Flight Number: UA2409.
- Flight Number: UA2487. (On Time performance: 76 - Average Delay: 22 minutes)
- Flight Number: UA2780. (On Time performance: 82 - Average Delay: 20 minutes)
- Flight Number: UA2794. (On Time performance: 66 - Average Delay: 17 minutes)
- Flight Number: UA353. (On Time performance: 91 - Average Delay: 5 minutes)
- Flight Number: UA457. (On Time performance: 68 - Average Delay: 24 minutes)
- Flight Number: UA580. (On Time performance: 87 - Average Delay: 8 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from November 20, 2025 to December 01, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights AA643

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
03 November
11:28 am
Los Angeles (LAX)
05:30 pm
Chicago (ORD)
04h 02min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Monday
02 November
12:55 pm
Los Angeles (LAX)
07:01 pm
Chicago (ORD)
04h 06min
Airbus A321 (s
Airbus A321 (s
Landed - Delayed
Sunday
01 November
02:56 pm
Los Angeles (LAX)
09:09 pm
Chicago (ORD)
04h 13min
Airbus A321neo
Airbus A321neo
Landed - Delayed