AD4521
AD4521 (Azul Linhas Aéreas Brasileiras) is a multi-stop service on 2 routes, busiest Brasília to Belo Horizonte. Of 303 departures recorded from October 2024 to July 2026, 85.0% left on time, according to Brazil's ANAC.
- On-time departures85.0%of 303 flights
- Average delay4.6 min
- July 202631▲ 181.8%vs July 2025
- Cancelled1.3%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 4 | 0.0% |
| February | 4 | 10 | ▲ 150.0% |
| March | 2 | 30 | ▲ 1,400.0% |
| April | – | 25 | – |
| May | – | 28 | – |
| June | – | 26 | – |
| July | 11 | 31 | ▲ 181.8% |
| August | 31 | – | – |
| September | 24 | – | – |
| October | 29 | – | in progress |
| November | 21 | – | – |
| December | 11 | – | – |
according to Brazil's ANAC · 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 100.0% | ▲ 33.3% |
| February | 100.0% | 80.0% | ▼ 20.0% |
| March | 50.0% | 86.7% | ▲ 73.3% |
| April | – | 66.7% | – |
| May | – | 80.8% | – |
| June | – | 76.9% | – |
| July | 90.9% | 96.7% | ▲ 6.3% |
| August | 90.3% | – | – |
| September | 91.7% | – | – |
| October | 93.1% | – | in progress |
| November | 81.0% | – | – |
| December | 54.6% | – | – |
according to Brazil's ANAC · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to Brazil's ANAC · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 1 | – |
| May | – | 2 | – |
| June | – | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to Brazil's ANAC · 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 98.7% 299
- Cancelled 1.3% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BSB CNF Presidente Juscelino Kubitschek International Airport – Tancredo Neves International Airport | 592 | 4.7 min | 84.5% | 281 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 5 | 5 | 100.0% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 4 | 4 | 75.0% | 0 |
| February 2025 | 4 | 4 | 100.0% | 0 |
| March 2025 | 2 | 2 | 50.0% | 0 |
| July 2025 | 11 | 11 | 90.9% | 0 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 24 | 24 | 91.7% | 0 |
| October 2025 | 29 | 29 | 93.1% | 0 |
| November 2025 | 21 | 21 | 81.0% | 0 |
| December 2025 | 11 | 11 | 54.6% | 0 |
| January 2026 | 4 | 4 | 100.0% | 0 |
| February 2026 | 10 | 10 | 80.0% | 0 |
| March 2026 | 30 | 30 | 86.7% | 0 |
| April 2026 | 25 | 24 | 66.7% | 1 |
| May 2026 | 28 | 26 | 80.8% | 2 |
| June 2026 | 26 | 26 | 76.9% | 0 |
| July 2026 | 31 | 30 | 96.7% | 1 |