JJ3940
JJ3940 (TAM Brazilian Airlines) flies São Paulo to Rio de Janeiro. Of 505 departures recorded from October 2024 to June 2026, 79.3% left on time, according to Brazil's ANAC.
according to Brazil's ANAC · Oct 13, 2024 → Jun 7, 2026 only flights to or from one country, not the full total
Recorded departures by month
Partial coverage: only flights touching the source country · 21 of 21 periods have data
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | 26 | ▼ 3.7% |
| February | 24 | 24 | 0.0% |
| March | 26 | 27 | ▲ 3.8% |
| April | 26 | 26 | 0.0% |
| May | 26 | 26 | 0.0% |
| June | 26 | 4 | ▼ 84.6% |
| July | 25 | – | – |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 25 | – | – |
| December | 23 | – | – |
| Year to date (Jan–Jun) | 155 | 133 | ▼ 14.2% |
according to Brazil's ANAC · October 2024 → June 2026
On-time departures by month
Partial coverage: only flights touching the source country · 21 of 21 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 73.9% | 64.0% | ▼ 13.4% |
| February | 75.0% | 77.3% | ▲ 3.0% |
| March | 92.3% | 76.9% | ▼ 16.7% |
| April | 92.0% | 72.0% | ▼ 21.7% |
| May | 88.0% | 92.0% | ▲ 4.5% |
| June | 88.0% | 75.0% | ▼ 14.8% |
| July | 91.3% | – | – |
| August | 96.0% | – | – |
| September | 95.8% | – | – |
| October | 85.2% | – | in progress |
| November | 64.0% | – | – |
| December | 40.0% | – | – |
| Year-to-date average (Jan–Jun) | 84.9% | 76.2% | ▼ 10.2% |
according to Brazil's ANAC · October 2024 → June 2026
Average departure delay by month
Partial coverage: only flights touching the source country · 21 of 21 periods have data
according to Brazil's ANAC · October 2024 → June 2026
Cancelled departures by month
Partial coverage: only flights touching the source country · 21 of 21 periods have data
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 1 | ▼ 75.0% |
| February | 0 | 2 | – |
| March | 0 | 1 | – |
| April | 1 | 1 | 0.0% |
| May | 1 | 1 | 0.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | – | – |
| August | 1 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jun) | 7 | 6 | ▼ 14.3% |
according to Brazil's ANAC · October 2024 → June 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 93.9% 474
- Cancelled 6.1% 31
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jun 7, 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 | 5.1 min | 79.3% | 505 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 16 | 75.0% | 1 |
| November 2024 | 22 | 19 | 57.9% | 3 |
| December 2024 | 26 | 20 | 75.0% | 6 |
| January 2025 | 27 | 23 | 73.9% | 4 |
| February 2025 | 24 | 24 | 75.0% | 0 |
| March 2025 | 26 | 26 | 92.3% | 0 |
| April 2025 | 26 | 25 | 92.0% | 1 |
| May 2025 | 26 | 25 | 88.0% | 1 |
| June 2025 | 26 | 25 | 88.0% | 1 |
| July 2025 | 25 | 23 | 91.3% | 2 |
| August 2025 | 26 | 25 | 96.0% | 1 |
| September 2025 | 26 | 24 | 95.8% | 2 |
| October 2025 | 27 | 27 | 85.2% | 0 |
| November 2025 | 25 | 25 | 64.0% | 0 |
| December 2025 | 23 | 20 | 40.0% | 3 |
| January 2026 | 26 | 25 | 64.0% | 1 |
| February 2026 | 24 | 22 | 77.3% | 2 |
| March 2026 | 27 | 26 | 76.9% | 1 |
| April 2026 | 26 | 25 | 72.0% | 1 |
| May 2026 | 26 | 25 | 92.0% | 1 |
| June 2026 | 4 | 4 | 75.0% | 0 |