AA2121
AA2121 (American Airlines) is a multi-stop service on 25 routes, busiest Kansas City to Chicago. Of 702 departures recorded from October 2024 to July 2026, 77.7% left on time, according to the US BTS.
- On-time departures77.7%of 702 flights
- Average delay22.1 min
- July 202644▲ 46.7%vs July 2025
- Cancelled1.7%
- Legs flown under this number25
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 | 25 | 19 | ▼ 24.0% |
| February | 28 | 20 | ▼ 28.6% |
| March | 31 | 48 | ▲ 54.8% |
| April | 49 | 58 | ▲ 18.4% |
| May | 32 | 58 | ▲ 81.3% |
| June | 28 | 42 | ▲ 50.0% |
| July | 30 | 44 | ▲ 46.7% |
| August | 31 | – | – |
| September | 13 | – | – |
| October | 24 | – | in progress |
| November | 18 | – | – |
| December | 18 | – | – |
| Year to date (Jan–Jul) | 223 | 289 | ▲ 29.6% |
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 | 84.0% | 61.1% | ▼ 27.3% |
| February | 82.1% | 90.0% | ▲ 9.6% |
| March | 96.8% | 95.7% | ▼ 1.1% |
| April | 75.5% | 96.6% | ▲ 27.9% |
| May | 78.1% | 80.7% | ▲ 3.3% |
| June | 74.1% | 39.5% | ▼ 46.7% |
| July | 71.4% | 38.6% | ▼ 45.9% |
| August | 80.7% | – | – |
| September | 46.2% | – | – |
| October | 91.7% | – | in progress |
| November | 76.5% | – | – |
| December | 33.3% | – | – |
| Year-to-date average (Jan–Jul) | 80.3% | 71.7% | ▼ 10.6% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 1 | 4 | ▲ 300.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 7 | ▲ 133.3% |
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 98.3% 690
- Cancelled 1.7% 12
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MCI ORD Kansas City International Airport – Chicago O'Hare International Airport | 647 | 22.7 min | 83.1% | 145 |
| PHX FAT Phoenix Sky Harbor International Airport – Fresno Yosemite International Airport | 793 | 33.2 min | 72.5% | 81 |
| PHX DTW Phoenix Sky Harbor International Airport – Detroit Metropolitan Wayne County Airport | 2,683 | 21.1 min | 67.6% | 71 |
| DFW CHA Dallas Fort Worth International Airport – Chattanooga Metropolitan Airport (Lovell Field) | 1,116 | 67.1 min | 38.8% | 50 |
| CHA DFW Chattanooga Metropolitan Airport (Lovell Field) – Dallas Fort Worth International Airport | 1,116 | 78.5 min | 34.8% | 50 |
| GRR CLT Gerald R. Ford International Airport – Charlotte Douglas International Airport | 939 | -7.1 min | 100.0% | 44 |
| CLT GRR Charlotte Douglas International Airport – Gerald R. Ford International Airport | 939 | -4.5 min | 97.7% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 84.6% | 0 |
| November 2024 | 51 | 51 | 98.0% | 0 |
| December 2024 | 22 | 21 | 90.5% | 1 |
| January 2025 | 25 | 25 | 84.0% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 49 | 49 | 75.5% | 0 |
| May 2025 | 32 | 32 | 78.1% | 0 |
| June 2025 | 28 | 27 | 74.1% | 1 |
| July 2025 | 30 | 28 | 71.4% | 2 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 13 | 13 | 46.2% | 0 |
| October 2025 | 24 | 24 | 91.7% | 0 |
| November 2025 | 18 | 17 | 76.5% | 1 |
| December 2025 | 18 | 18 | 33.3% | 0 |
| January 2026 | 19 | 18 | 61.1% | 1 |
| February 2026 | 20 | 20 | 90.0% | 0 |
| March 2026 | 48 | 47 | 95.7% | 1 |
| April 2026 | 58 | 58 | 96.6% | 0 |
| May 2026 | 58 | 57 | 80.7% | 1 |
| June 2026 | 42 | 38 | 39.5% | 4 |
| July 2026 | 44 | 44 | 38.6% | 0 |