AA4539 American Airlines - Flight Status

Below, you can find details about American Airlines flight AA4539, which currently operates between the airports of Louisville - Louisville Muhammad Ali International Airport (Airport Code SDF) and Chicago - Chicago O'Hare International Airport (Airport Code ORD).
This flight data pertains specifically to the flight's details for Sunday, February 08, 2026.

AA4539 On Time performance:
57
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

AA4539 American Airlines from Louisville

Scheduled - On-time
Flight Status for Sunday February 08, 2026
This flight is also scheduled for Tomorrow (February 09, 2026). See it here

Airline information

American Airlines
American Airlines
Equipment: Embraer 175

Departure

Louisville (SDF)
February 08, 2026
Louisville Muhammad Ali International Airport
Estimated Departure Time:
07:13 pm
Terminal:
-
Gate:
B16
Scheduled Departure Time: 07:13 pm

Arrival

Chicago (ORD)
February 08, 2026
Chicago O'Hare International Airport
Estimated Arrival Time:
08:05 pm
Terminal:
3
Gate:
G10
Scheduled Arrival Time: 08:05 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.airport-ohare.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:

- AS6861 - Alaska Airlines

- EI7484 - Aer Lingus

Additional Information

Which is the frequency of flight AA4539?
The flight AA4539 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight AA4539?
The distance between the two airports is 287 miles.

Which is the flight time of flight AA4539?
The scheduled flight time gate to gate is: 01:52 hours.
The real flight time gate to gate on average is: 02:11 hours.

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 Louisville: 2026-02-08 09:32:41
Current Time in Chicago: 2026-02-08 08:32:41

Alternative Flights

The following airlines serves the same route between Louisville and Chicago:

UPS
- Flight Number: 5X5606. (On Time performance: 55 - Average Delay: 38 minutes)
- Flight Number: 5X5608. (On Time performance: 61 - Average Delay: 51 minutes)
- Flight Number: 5X606. (On Time performance: 49 - Average Delay: 24 minutes)

American Airlines
- Flight Number: AA4360. (On Time performance: 75 - Average Delay: 16 minutes)
- Flight Number: AA4622. (On Time performance: 84 - Average Delay: 19 minutes)

Amerijet International
- Flight Number: M65602. (On Time performance: 40 - Average Delay: 74 minutes)
- Flight Number: M65606. (On Time performance: 88 - Average Delay: 7 minutes)
- Flight Number: M6602. (On Time performance: 90 - Average Delay: 7 minutes)

United Airlines
- Flight Number: UA3422. (On Time performance: 87 - Average Delay: 6 minutes)
- Flight Number: UA3653. (On Time performance: 79 - Average Delay: 21 minutes)
- Flight Number: UA4188. (On Time performance: 78 - Average Delay: 20 minutes)
- Flight Number: UA4510. (On Time performance: 40 - Average Delay: 65 minutes)
- Flight Number: UA5615. (On Time performance: 62 - Average Delay: 52 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from December 18, 2025 to February 03, 2026, we have obtained these figures.
Total number of flights: 42
On Time: 24 ( 57 % )
Moderate Delay: 3 ( 7 % )
Significant Delay: 7 ( 17 % )
Major Delay: 8 ( 19 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 66 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from August 06, 2025 to February 03, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from August 06, 2025 to January 30, 2026. 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 AA4539

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
06 February
07:40 pm
Louisville (SDF)
08:47 pm
Chicago (ORD)
02h 07min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Thursday
05 February
07:01 pm
Louisville (SDF)
08:25 pm
Chicago (ORD)
02h 24min
Embraer 175 (E
Embraer 175 (E
Landed - Delayed
Wednesday
04 February
08:53 pm
Louisville (SDF)
09:11 pm
Chicago (ORD)
01h 18min
Embraer 175
Embraer 175
Landed - Delayed
Tuesday
03 February
07:19 pm
Louisville (SDF)
08:42 pm
Chicago (ORD)
02h 23min
Embraer 175
Embraer 175
Landed - Delayed
Monday
02 February
07:07 pm
Louisville (SDF)
07:42 pm
Chicago (ORD)
01h 35min
Embraer 175
Embraer 175
Landed - On-time
Sunday
01 February
07:28 pm
Louisville (SDF)
08:43 pm
Chicago (ORD)
02h 15min
Embraer 175
Embraer 175
Landed - Delayed
Friday
30 January
11:10 pm
Louisville (SDF)
12:02 am
Chicago (ORD)
01h 52min
Embraer 175
Embraer 175
Thursday
29 January
07:05 pm
Louisville (SDF)
07:33 pm
Chicago (ORD)
01h 28min
Embraer 175
Embraer 175
Landed - On-time
Wednesday
28 January
07:04 pm
Louisville (SDF)
07:37 pm
Chicago (ORD)
01h 33min
Embraer 175
Embraer 175
Landed - On-time
Tuesday
27 January
10:13 pm
Louisville (SDF)
10:32 pm
Chicago (ORD)
01h 19min
Embraer 170
Embraer 170
Landed - Delayed