JJ3938
JJ3938 (TAM Brazilian Airlines) flies São Paulo to Rio de Janeiro. Of 544 departures recorded from October 2024 to July 2026, 80.5% left on time, according to Brazil's ANAC.
according to Brazil's ANAC · Oct 12, 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 | 27 | 26 | ▼ 3.7% |
| February | 24 | 23 | ▼ 4.2% |
| March | 26 | 26 | 0.0% |
| April | 25 | 26 | ▲ 4.0% |
| May | 26 | 25 | ▼ 3.8% |
| June | 24 | 23 | ▼ 4.2% |
| July | 25 | 23 | ▼ 8.0% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 24 | – | – |
| December | 26 | – | – |
| Year to date (Jan–Jul) | 177 | 172 | ▼ 2.8% |
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 | 80.8% | 70.8% | ▼ 12.3% |
| February | 66.7% | 91.3% | ▲ 36.9% |
| March | 96.2% | 73.1% | ▼ 24.0% |
| April | 95.0% | 72.7% | ▼ 23.4% |
| May | 100.0% | 84.0% | ▼ 16.0% |
| June | 83.3% | 78.3% | ▼ 6.1% |
| July | 96.0% | 60.9% | ▼ 36.6% |
| August | 92.3% | – | – |
| September | 88.0% | – | – |
| October | 88.5% | – | in progress |
| November | 79.2% | – | – |
| December | 68.0% | – | – |
| Year-to-date average (Jan–Jul) | 88.3% | 75.9% | ▼ 14.1% |
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 | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 5 | 4 | ▼ 20.0% |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 8 | 6 | ▼ 25.0% |
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 96.3% 524
- Cancelled 3.7% 20
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 |
|---|---|---|---|---|
| CGH SDU Congonhas–Deputado Freitas Nobre Airport – Santos Dumont Airport | 366 | 4.8 min | 80.5% | 544 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 24 | 21 | 57.1% | 3 |
| December 2024 | 25 | 25 | 68.0% | 0 |
| January 2025 | 27 | 26 | 80.8% | 1 |
| February 2025 | 24 | 24 | 66.7% | 0 |
| March 2025 | 26 | 26 | 96.2% | 0 |
| April 2025 | 25 | 20 | 95.0% | 5 |
| May 2025 | 26 | 24 | 100.0% | 2 |
| June 2025 | 24 | 24 | 83.3% | 0 |
| July 2025 | 25 | 25 | 96.0% | 0 |
| August 2025 | 26 | 26 | 92.3% | 0 |
| September 2025 | 26 | 25 | 88.0% | 1 |
| October 2025 | 27 | 26 | 88.5% | 1 |
| November 2025 | 24 | 24 | 79.2% | 0 |
| December 2025 | 26 | 25 | 68.0% | 1 |
| January 2026 | 26 | 24 | 70.8% | 2 |
| February 2026 | 23 | 23 | 91.3% | 0 |
| March 2026 | 26 | 26 | 73.1% | 0 |
| April 2026 | 26 | 22 | 72.7% | 4 |
| May 2026 | 25 | 25 | 84.0% | 0 |
| June 2026 | 23 | 23 | 78.3% | 0 |
| July 2026 | 23 | 23 | 60.9% | 0 |