AA1151
AA1151 (American Airlines) is a multi-stop service on 6 routes, busiest Chicago to Phoenix. Of 330 departures recorded from October 2024 to July 2026, 63.6% left on time, according to the US BTS.
- On-time departures63.6%of 330 flights
- Average delay27.9 min
- July 202631▲ 3.3%vs July 2025
- Cancelled1.8%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 27 | 24 | ▼ 11.1% |
| May | 30 | 30 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 13 | – | – |
| September | 28 | – | – |
| October | 32 | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 59.3% | 62.5% | ▲ 5.5% |
| May | 63.3% | 70.0% | ▲ 10.5% |
| June | 40.7% | 93.3% | ▲ 129.1% |
| July | 28.6% | 90.3% | ▲ 216.1% |
| August | 30.8% | – | – |
| September | 64.3% | – | – |
| October | 54.8% | – | in progress |
| November | 0.0% | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 3 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 98.2% 324
- Cancelled 1.8% 6
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD PHX Chicago O'Hare International Airport – Phoenix Sky Harbor International Airport | 2,313 | 33.5 min | 50.0% | 189 |
| LAX PHL Los Angeles International Airport – Philadelphia International Airport | 3,856 | 10.4 min | 93.0% | 71 |
| ORD LAS Chicago O'Hare International Airport – Harry Reid International Airport | 2,432 | 46.3 min | 59.1% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 4 | 4 | 100.0% | 0 |
| April 2025 | 27 | 27 | 59.3% | 0 |
| May 2025 | 30 | 30 | 63.3% | 0 |
| June 2025 | 30 | 27 | 40.7% | 3 |
| July 2025 | 30 | 28 | 28.6% | 2 |
| August 2025 | 13 | 13 | 30.8% | 0 |
| September 2025 | 28 | 28 | 64.3% | 0 |
| October 2025 | 32 | 31 | 54.8% | 1 |
| November 2025 | 1 | 1 | 0.0% | 0 |
| April 2026 | 24 | 24 | 62.5% | 0 |
| May 2026 | 30 | 30 | 70.0% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |