AA999
AA999 (American Airlines) is a multi-stop service on 10 routes, busiest Pittsburgh to Philadelphia. Of 525 departures recorded from October 2024 to July 2026, 87.0% left on time, according to the US BTS.
- On-time departures87.0%of 525 flights
- Average delay8.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number10
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 5 | ▲ 25.0% |
| February | 13 | 27 | ▲ 107.7% |
| March | 4 | 26 | ▲ 550.0% |
| April | 23 | 24 | ▲ 4.3% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 27 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 135 | 174 | ▲ 28.9% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 80.0% | ▲ 6.7% |
| February | 100.0% | 88.9% | ▼ 11.1% |
| March | 100.0% | 73.1% | ▼ 26.9% |
| April | 95.7% | 95.8% | ▲ 0.2% |
| May | 90.0% | 85.2% | ▼ 5.3% |
| June | 86.7% | 64.3% | ▼ 25.8% |
| July | 86.7% | 83.3% | ▼ 3.9% |
| August | 90.3% | – | – |
| September | 90.0% | – | – |
| October | 96.8% | – | in progress |
| November | 88.9% | – | – |
| December | 55.0% | – | – |
| Year-to-date average (Jan–Jul) | 90.6% | 81.5% | ▼ 10.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 4 | – |
| June | 0 | 2 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 7 | ▲ 600.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.5% 517
- Cancelled 1.5% 8
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PIT PHL Pittsburgh International Airport – Philadelphia International Airport | 430 | 5.1 min | 92.0% | 264 |
| ABQ DFW Albuquerque International Sunport – Dallas Fort Worth International Airport | 914 | 11.4 min | 81.7% | 116 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 27 | 27 | 96.3% | 0 |
| January 2025 | 4 | 4 | 75.0% | 0 |
| February 2025 | 13 | 13 | 100.0% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| April 2025 | 23 | 23 | 95.7% | 0 |
| May 2025 | 30 | 30 | 90.0% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 30 | 86.7% | 1 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 27 | 27 | 88.9% | 0 |
| December 2025 | 20 | 20 | 55.0% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 27 | 27 | 88.9% | 0 |
| March 2026 | 26 | 26 | 73.1% | 0 |
| April 2026 | 24 | 24 | 95.8% | 0 |
| May 2026 | 31 | 27 | 85.2% | 4 |
| June 2026 | 30 | 28 | 64.3% | 2 |
| July 2026 | 31 | 30 | 83.3% | 1 |