AA1598
AA1598 (American Airlines) is a multi-stop service on 4 routes, busiest Los Angeles to Chicago. Of 846 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 846 flights
- Average delay18.7 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.8%
- Legs flown under this number4
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 | 31 | 62 | ▲ 100.0% |
| February | 28 | 54 | ▲ 92.9% |
| March | 31 | 62 | ▲ 100.0% |
| April | 30 | 36 | ▲ 20.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 27 | – | – |
| September | 30 | – | – |
| October | 56 | – | in progress |
| November | 59 | – | – |
| December | 58 | – | – |
| Year to date (Jan–Jul) | 212 | 306 | ▲ 44.3% |
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 | 96.8% | 68.5% | ▼ 29.2% |
| February | 92.9% | 74.1% | ▼ 20.2% |
| March | 80.7% | 72.6% | ▼ 10.0% |
| April | 90.0% | 80.6% | ▼ 10.5% |
| May | 90.3% | 93.6% | ▲ 3.6% |
| June | 86.7% | 83.3% | ▼ 3.9% |
| July | 93.3% | 93.3% | 0.0% |
| August | 96.3% | – | – |
| September | 80.0% | – | – |
| October | 48.2% | – | in progress |
| November | 75.0% | – | – |
| December | 36.2% | – | – |
| Year-to-date average (Jan–Jul) | 90.1% | 80.8% | ▼ 10.3% |
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 | 8 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 9 | ▲ 800.0% |
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 98.2% 831
- Cancelled 1.8% 15
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 |
|---|---|---|---|---|
| LAX ORD Los Angeles International Airport – Chicago O'Hare International Airport | 2,802 | 11.1 min | 89.5% | 441 |
| DFW GSO Dallas Fort Worth International Airport – Piedmont Triad International Airport | 1,605 | 26.1 min | 60.1% | 204 |
| GSO DFW Piedmont Triad International Airport – Dallas Fort Worth International Airport | 1,605 | 28.6 min | 64.6% | 199 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 39 | 39 | 74.4% | 0 |
| November 2024 | 29 | 29 | 72.4% | 0 |
| December 2024 | 30 | 30 | 86.7% | 0 |
| January 2025 | 31 | 31 | 96.8% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 30 | 93.3% | 1 |
| August 2025 | 27 | 27 | 96.3% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 56 | 54 | 48.2% | 2 |
| November 2025 | 59 | 56 | 75.0% | 3 |
| December 2025 | 58 | 58 | 36.2% | 0 |
| January 2026 | 62 | 54 | 68.5% | 8 |
| February 2026 | 54 | 54 | 74.1% | 0 |
| March 2026 | 62 | 62 | 72.6% | 0 |
| April 2026 | 36 | 36 | 80.6% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 30 | 93.3% | 1 |