AA1187
AA1187 (American Airlines) is a multi-stop service on 16 routes, busiest Washington to Chicago. Of 578 departures recorded from October 2024 to July 2026, 77.2% left on time, according to the US BTS.
- On-time departures77.2%of 578 flights
- Average delay16.3 min
- July 202630▼ 3.2%vs July 2025
- Cancelled3.5%
- Legs flown under this number16
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 | 7 | 27 | ▲ 285.7% |
| February | 12 | 28 | ▲ 133.3% |
| March | 28 | 31 | ▲ 10.7% |
| April | 30 | 26 | ▼ 13.3% |
| May | 31 | 27 | ▼ 12.9% |
| June | 30 | 28 | ▼ 6.7% |
| July | 31 | 30 | ▼ 3.2% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 169 | 197 | ▲ 16.6% |
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 | 100.0% | 96.0% | ▼ 4.0% |
| February | 83.3% | 96.4% | ▲ 15.7% |
| March | 92.6% | 58.6% | ▼ 36.7% |
| April | 86.7% | 96.2% | ▲ 10.9% |
| May | 80.7% | 74.1% | ▼ 8.2% |
| June | 79.3% | 48.0% | ▼ 39.5% |
| July | 64.3% | 48.0% | ▼ 25.3% |
| August | 80.7% | – | – |
| September | 73.3% | – | – |
| October | 77.4% | – | in progress |
| November | 50.0% | – | – |
| December | 72.4% | – | – |
| Year-to-date average (Jan–Jul) | 83.8% | 73.9% | ▼ 11.9% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 3 | ▲ 200.0% |
| July | 3 | 5 | ▲ 66.7% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 12 | ▲ 140.0% |
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 96.5% 558
- Cancelled 3.5% 20
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA ORD Ronald Reagan Washington National Airport – Chicago O'Hare International Airport | 983 | 18.8 min | 74.6% | 235 |
| PHX MCO Phoenix Sky Harbor International Airport – Orlando International Airport | 2,969 | 2.0 min | 93.1% | 73 |
| ORD DCA Chicago O'Hare International Airport – Ronald Reagan Washington National Airport | 983 | 46.4 min | 46.7% | 68 |
| EWR ORD Newark Liberty International Airport – Chicago O'Hare International Airport | 1,154 | -7.5 min | 100.0% | 33 |
| MKE PHX General Mitchell International Airport – Phoenix Sky Harbor International Airport | 2,346 | 30.3 min | 62.1% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 25 | 25 | 88.0% | 0 |
| December 2024 | 17 | 17 | 82.4% | 0 |
| January 2025 | 7 | 7 | 100.0% | 0 |
| February 2025 | 12 | 12 | 83.3% | 0 |
| March 2025 | 28 | 27 | 92.6% | 1 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 30 | 29 | 79.3% | 1 |
| July 2025 | 31 | 28 | 64.3% | 3 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 29 | 26 | 50.0% | 3 |
| December 2025 | 29 | 29 | 72.4% | 0 |
| January 2026 | 27 | 25 | 96.0% | 2 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 31 | 29 | 58.6% | 2 |
| April 2026 | 26 | 26 | 96.2% | 0 |
| May 2026 | 27 | 27 | 74.1% | 0 |
| June 2026 | 28 | 25 | 48.0% | 3 |
| July 2026 | 30 | 25 | 48.0% | 5 |