(AA) American Airlines 4399 Flight Details
On time | Scheduled
Departure
BOS
Boston Logan International Airport, MA, US
Flight Gate Times
23-Apr-2026
Scheduled
12:57
EDT
Estimated
12:57
EDT
Total Departure Delay: -
Flight Runway Times
23-Apr-2026
Scheduled
13:18
EDT
Actual
--
Runway Delay: -
Terminal
B
Gate
B8
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 37m
Arrival
PHL
Philadelphia International Airport, PA, US
Flight Gate Times
23-Apr-2026
Scheduled
14:34
EDT
Estimated
14:16
EDT
Total Arrival Delay: -
Flight Runway Times
23-Apr-2026
Scheduled
14:06
EDT
Actual
--
Runway Delay: -
Terminal
B
Gate
B1
Baggage Claim
16
Tail Number
N437YX
Flight Time
Estimated
1h 19m
Flight Notes
Operated by Republic Airways on behalf of American Airlines
Also marketed as (BA) British Airways 2424
Event Timeline
Date
Event
Data Updated
23 Apr
15:53
11:53
11:53
Time Adjustment
Scheduled Runway Departure changed from Apr-23-2026 1:22 PM to Apr-23-2026 1:18 PM
Scheduled Runway Arrival changed from Apr-23-2026 2:23 PM to Apr-23-2026 2:06 PM
23 Apr
15:53
11:53
11:53
Time Adjustment
Estimated Gate Arrival changed from Apr-23-2026 2:34 PM to Apr-23-2026 2:16 PM
23 Apr
14:50
10:50
10:50
Gate Adjustment
Departure Gate changed from B10 to B8
23 Apr
00:46
20:46
20:46
Gate Adjustment
Arrival Gate changed from B4 to B1
Baggage changed from 13 to 16
22 Apr
21:12
17:12
17:12
Equipment Adjustment
Tail Number changed to N437YX
Actual Equipment changed to E75
22 Apr
17:06
13:06
13:06
Time Adjustment
Scheduled Runway Departure changed from Apr-23-2026 1:00 PM to Apr-23-2026 1:22 PM
Scheduled Runway Arrival changed from Apr-23-2026 2:02 PM to Apr-23-2026 2:23 PM
22 Apr
17:01
13:01
13:01
Time Adjustment
Scheduled Runway Departure changed to Apr-23-2026 1:00 PM
Scheduled Runway Arrival changed to Apr-23-2026 2:02 PM
22 Apr
14:58
10:58
10:58
Gate Adjustment
Departure Gate changed from B14 to B10
22 Apr
06:10
02:10
02:10
Gate Adjustment
Departure Gate changed to B14
22 Apr
00:39
20:39
20:39
Time Adjustment
Estimated Gate Departure changed to Apr-23-2026 12:57 PM
Estimated Gate Arrival changed to Apr-23-2026 2:34 PM
Arrival Gate changed to B4
Arrival Terminal changed to B
Baggage changed to 13
20 Apr
18:08
14:08
14:08
Record Created
20 Apr
18:08
14:08
14:08
Time Adjustment
Scheduled Gate Departure changed to Apr-23-2026 12:57 PM
Scheduled Gate Arrival changed to Apr-23-2026 2:34 PM
Departure Terminal changed to B
Scheduled Equipment changed to E75