Informational Guide to London Heathrow Airport - LHR - Non Official

AA9603 American Airlines - Flight Status

Below, you can find details about American Airlines flight AA9603, which currently operates between the airports of London - London Heathrow Airport (Airport Code LHR) and Philadelphia - Philadelphia International Airport (Airport Code PHL).
This flight data pertains specifically to the flight's details for Sunday, July 13, 2025.

AA9603 On Time performance:
29
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

AA9603 American Airlines to Philadelphia

Flight Status for Sunday July 13, 2025

Airline information

American Airlines
American Airlines
Equipment: Boeing 787-9

Departure

London (LHR)
July 13, 2025
London Heathrow Airport
Estimated Departure Time:
21:40
Terminal:
3
Gate:
-
Scheduled Departure Time: 21:40

Arrival

Philadelphia (PHL)
July 14, 2025
Philadelphia International Airport
Estimated Arrival Time:
00:35
Terminal:
A
Gate:
A16
Scheduled Arrival Time: 00:35
Baggage: CUST
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-london-heathrow.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.

Additional Information

Which is the frequency of flight AA9603?
The flight AA9603 is currently not scheduled at London Heathrow Airport (LHR).

Which is the distance of flight AA9603?
The distance between the two airports is 5692 kilometers.

Which is the flight time of flight AA9603?
The scheduled flight time gate to gate is: 07:55 hours.
The real flight time gate to gate on average is: 08:31 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 London: 2025-07-13 17:28:51
Current Time in Philadelphia: 2025-07-13 12:28:51

Alternative Flights

The following airlines serves the same route between London and Philadelphia:

American Airlines
- Flight Number: AA729. (On Time performance: 79 - Average Delay: 37 minutes)
- Flight Number: AA737. (On Time performance: 73 - Average Delay: 40 minutes)

British Airways
- Flight Number: BA67. (On Time performance: 87 - Average Delay: 9 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 April 20, 2025 to July 10, 2025, we have obtained these figures.
Total number of flights: 7
On Time: 2 ( 29 % )
Moderate Delay: 1 ( 14 % )
Significant Delay: 0 ( 0 % )
Major Delay: 4 ( 57 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 147 minutes.
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: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights AA9603

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
10 July
16:21
London (LHR)
20:07
Philadelphia (PHL)
08h 46min
Boeing 787-9
Boeing 787-9
Landed - Delayed
Thursday
03 July
15:19
London (LHR)
18:54
Boston (BOS)
08h 35min
Boeing 777-200
Boeing 777-200
Landed - Delayed
Thursday
26 June
13:33
London (LHR)
17:54
Miami (MIA)
09h 21min
Boeing 777-200
Boeing 777-200
Landed - Delayed
Tuesday
24 June
14:39
London (LHR)
18:42
Miami (MIA)
09h 03min
Boeing 777-200
Boeing 777-200
Landed - Delayed
Saturday
14 June
12:18
London (LHR)
15:24
New York (JFK)
08h 06min
Boeing 777-300
Boeing 777-300
Landed - Delayed