JJ3944
JJ3944 (TAM Brazilian Airlines) flies São Paulo to Rio de Janeiro. Of 542 departures recorded from October 2024 to July 2026, 72.7% left on time, according to Brazil's ANAC.
according to Brazil's ANAC · Oct 13, 2024 → Jul 31, 2026 only flights to or from one country, not the full total
Recorded departures by month
Partial coverage: only flights touching the source country · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 22 | 26 | ▲ 18.2% |
| February | 24 | 24 | 0.0% |
| March | 26 | 27 | ▲ 3.8% |
| April | 25 | 26 | ▲ 4.0% |
| May | 25 | 26 | ▲ 4.0% |
| June | 25 | 25 | 0.0% |
| July | 25 | 27 | ▲ 8.0% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 22 | – | – |
| December | 23 | – | – |
| Year to date (Jan–Jul) | 172 | 181 | ▲ 5.2% |
according to Brazil's ANAC · October 2024 → July 2026
On-time departures by month
Partial coverage: only flights touching the source country · 22 of 22 periods have data
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 | 68.2% | 66.7% | ▼ 2.2% |
| February | 52.2% | 78.3% | ▲ 50.0% |
| March | 80.8% | 85.2% | ▲ 5.5% |
| April | 87.5% | 68.0% | ▼ 22.3% |
| May | 80.0% | 80.8% | ▲ 1.0% |
| June | 72.0% | 70.8% | ▼ 1.6% |
| July | 91.3% | 84.6% | ▼ 7.3% |
| August | 83.3% | – | – |
| September | 83.3% | – | – |
| October | 81.5% | – | in progress |
| November | 77.3% | – | – |
| December | 38.1% | – | – |
| Year-to-date average (Jan–Jul) | 76.0% | 76.3% | ▲ 0.5% |
according to Brazil's ANAC · October 2024 → July 2026
Average departure delay by month
Partial coverage: only flights touching the source country · 22 of 22 periods have data
according to Brazil's ANAC · October 2024 → July 2026
Cancelled departures by month
Partial coverage: only flights touching the source country · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 1 | 1 | 0.0% |
| March | 0 | 0 | – |
| April | 1 | 1 | 0.0% |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 2 | 1 | ▼ 50.0% |
| August | 2 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 4 | 6 | ▲ 50.0% |
according to Brazil's ANAC · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 96.1% 521
- Cancelled 3.9% 21
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| CGH SDU Congonhas–Deputado Freitas Nobre Airport – Santos Dumont Airport | 366 | 7.7 min | 72.7% | 542 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 15 | 60.0% | 1 |
| November 2024 | 22 | 21 | 28.6% | 1 |
| December 2024 | 27 | 24 | 62.5% | 3 |
| January 2025 | 22 | 22 | 68.2% | 0 |
| February 2025 | 24 | 23 | 52.2% | 1 |
| March 2025 | 26 | 26 | 80.8% | 0 |
| April 2025 | 25 | 24 | 87.5% | 1 |
| May 2025 | 25 | 25 | 80.0% | 0 |
| June 2025 | 25 | 25 | 72.0% | 0 |
| July 2025 | 25 | 23 | 91.3% | 2 |
| August 2025 | 26 | 24 | 83.3% | 2 |
| September 2025 | 26 | 24 | 83.3% | 2 |
| October 2025 | 27 | 27 | 81.5% | 0 |
| November 2025 | 22 | 22 | 77.3% | 0 |
| December 2025 | 23 | 21 | 38.1% | 2 |
| January 2026 | 26 | 24 | 66.7% | 2 |
| February 2026 | 24 | 23 | 78.3% | 1 |
| March 2026 | 27 | 27 | 85.2% | 0 |
| April 2026 | 26 | 25 | 68.0% | 1 |
| May 2026 | 26 | 26 | 80.8% | 0 |
| June 2026 | 25 | 24 | 70.8% | 1 |
| July 2026 | 27 | 26 | 84.6% | 1 |