(AA) American Airlines 4539 Flight Details
On time | Scheduled
Departure
PIT
Pittsburgh International Airport, PA, US
Flight Gate Times
09-Aug-2026
Scheduled
08:06
EDT
Estimated
08:06
EDT
Total Departure Delay: -
Flight Runway Times
09-Aug-2026
Scheduled
08:26
EDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B10
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 54m
Arrival
ORD
Chicago O'Hare International Airport, IL, US
Flight Gate Times
09-Aug-2026
Scheduled
09:00
CDT
Estimated
09:00
CDT
Total Arrival Delay: -
Flight Runway Times
09-Aug-2026
Scheduled
08:27
CDT
Actual
--
Runway Delay: -
Terminal
3
Gate
H1A
Baggage Claim
-
Tail Number
N409YX
Flight Time
Estimated
1h 54m
Flight Notes
Operated by Republic Airways on behalf of American Airlines
Also marketed as (AS) Alaska Airlines 6764, (BA) British Airways 6757, (JL) JAL 7411, (QF) Qantas 4469, (QR) Qatar Airways 8596
Event Timeline
Date
Event
Data Updated
9 Aug
02:23
22:23
21:23
Gate Adjustment
Arrival Gate changed from H5 to H1A
9 Aug
02:09
22:09
21:09
Gate Adjustment
Arrival Gate changed from L4 to H5
8 Aug
21:07
17:07
16:07
Gate Adjustment
Departure Gate changed from B20 to B10
8 Aug
20:16
16:16
15:16
Gate Adjustment
Arrival Gate changed from L22 to L4
8 Aug
20:05
16:05
15:05
Equipment Adjustment
Tail Number changed to N409YX
Actual Equipment changed to E75
8 Aug
12:16
08:16
07:16
Time Adjustment
Scheduled Runway Departure changed from Aug-09-2026 8:16 AM to Aug-09-2026 8:26 AM
Scheduled Runway Arrival changed from Aug-09-2026 8:22 AM to Aug-09-2026 8:27 AM
8 Aug
12:11
08:11
07:11
Time Adjustment
Scheduled Runway Departure changed to Aug-09-2026 8:16 AM
Scheduled Runway Arrival changed to Aug-09-2026 8:22 AM
8 Aug
07:07
03:07
02:07
Gate Adjustment
Arrival Gate changed to L22
8 Aug
00:42
20:42
19:42
Time Adjustment
Estimated Gate Departure changed to Aug-09-2026 8:06 AM
Estimated Gate Arrival changed to Aug-09-2026 9:00 AM
Departure Gate changed to B20
6 Aug
18:08
14:08
13:08
Record Created
6 Aug
18:08
14:08
13:08
Time Adjustment
Scheduled Gate Departure changed to Aug-09-2026 8:06 AM
Scheduled Gate Arrival changed to Aug-09-2026 9:00 AM
Arrival Terminal changed to 3
Scheduled Equipment changed to E75