Is AA4509 delayed?
No delay reported yet — AA4509 is scheduled to reach Philadelphia at 17:51 on Sep 30 (as of Sep 30, 13:29 UTC).
Usually on time: arrived within 15 min of schedule on 21 of the last 26 flights.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Key West
EYW
Scheduled
Not available
Arrival
Philadelphia
PHL
Scheduled
Sep 30
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/New_York)
Think AA4509 runs late today? Delayed is trading at 17¢ — pays out x5.90.
Will American Airlines AA 4509 from Key West to Philadelphia arrive on time, be delayed, or be cancelled on Oct 1?Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Also sold as AS4255, AS6028, JL7411, QF3173, QR7731
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 157 min late
Key West → Philadelphia
- 4 min early
Key West → Philadelphia
- 57 min late
Key West → Philadelphia
- 6 min early
Key West → Philadelphia
- On time
Key West → Philadelphia
Is AA4509 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Philadelphia (PHL) departures
- Left more than 15 min late
- 0 of 9
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Key West | Philadelphia | 157 | |
| Sep 28, 2026Arrived | Key West | Philadelphia | -4 | |
| Sep 27, 2026Arrived | Key West | Philadelphia | 57 | |
| Sep 26, 2026Arrived | Key West | Philadelphia | -6 | |
| Sep 25, 2026Arrived | Key West | Philadelphia | 0 | |
| Sep 24, 2026Arrived | Key West | Philadelphia | -3 | |
| Sep 23, 2026Arrived | Key West | Philadelphia | -19 | |
| Sep 22, 2026Arrived | Key West | Philadelphia | 14 | |
| Sep 21, 2026Arrived | Key West | Philadelphia | 251 | |
| Sep 20, 2026Arrived | Key West | Philadelphia | 1 | |
| Sep 19, 2026Arrived | Key West | Philadelphia | -22 | |
| Sep 18, 2026Arrived | Key West | Philadelphia | 3 | |
| Sep 17, 2026Arrived | Key West | Philadelphia | -7 | |
| Sep 16, 2026Arrived | Key West | Philadelphia | 6 | |
| Sep 15, 2026Arrived | Key West | Philadelphia | 6 | |
| Sep 14, 2026Arrived | Key West | Philadelphia | -18 | |
| Sep 13, 2026Arrived | Key West | Philadelphia | 10 | |
| Sep 12, 2026Arrived | Key West | Philadelphia | -23 | |
| Sep 11, 2026Arrived | Key West | Philadelphia | 10 | |
| Sep 10, 2026Arrived | Key West | Philadelphia | -10 | |
| Sep 9, 2026Arrived | Key West | Philadelphia | -14 | |
| Sep 8, 2026Arrived | Pittsburgh | Chicago | -9 | |
| Sep 7, 2026Arrived | Pittsburgh | Chicago | 57 | |
| Sep 6, 2026Arrived | Pittsburgh | Chicago | -10 | |
| Sep 5, 2026Arrived | Pittsburgh | Chicago | 24 | |
| Sep 4, 2026Arrived | Pittsburgh | Chicago | -37 |
Email me if AA4509 runs late
We email you if your next AA4509 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.