JJ3937
JJ3937 (TAM Brazilian Airlines) flies Rio de Janeiro to São Paulo. Of 91 departures recorded from October 2024 to July 2026, 91.9% left on time, according to Brazil's ANAC.
according to Brazil's ANAC · Oct 13, 2024 → Jul 26, 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 | 4 | 4 | 0.0% |
| February | 4 | 4 | 0.0% |
| March | 4 | 4 | 0.0% |
| April | 4 | 4 | 0.0% |
| May | 4 | 5 | ▲ 25.0% |
| June | 5 | 4 | ▼ 20.0% |
| July | 3 | 4 | ▲ 33.3% |
| August | 5 | – | – |
| September | 4 | – | – |
| October | 4 | – | in progress |
| November | 5 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 28 | 29 | ▲ 3.6% |
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 | 100.0% | 75.0% | ▼ 25.0% |
| February | 100.0% | 100.0% | 0.0% |
| March | 100.0% | 100.0% | 0.0% |
| April | 100.0% | 100.0% | 0.0% |
| May | 100.0% | 100.0% | 0.0% |
| June | 80.0% | 75.0% | ▼ 6.3% |
| July | 33.3% | 100.0% | ▲ 200.0% |
| August | 100.0% | – | – |
| September | 100.0% | – | – |
| October | 75.0% | – | in progress |
| November | 80.0% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 87.6% | 92.9% | ▲ 6.0% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 94.5% 86
- Cancelled 5.5% 5
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 26, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SDU CGH Santos Dumont Airport – Congonhas–Deputado Freitas Nobre Airport | 366 | -0.3 min | 91.9% | 91 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 2 | 100.0% | 1 |
| November 2024 | 4 | 4 | 100.0% | 0 |
| December 2024 | 5 | 4 | 100.0% | 1 |
| January 2025 | 4 | 4 | 100.0% | 0 |
| February 2025 | 4 | 4 | 100.0% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| April 2025 | 4 | 4 | 100.0% | 0 |
| May 2025 | 4 | 3 | 100.0% | 1 |
| June 2025 | 5 | 5 | 80.0% | 0 |
| July 2025 | 3 | 3 | 33.3% | 0 |
| August 2025 | 5 | 5 | 100.0% | 0 |
| September 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 4 | 4 | 75.0% | 0 |
| November 2025 | 5 | 5 | 80.0% | 0 |
| December 2025 | 4 | 3 | 100.0% | 1 |
| January 2026 | 4 | 4 | 75.0% | 0 |
| February 2026 | 4 | 4 | 100.0% | 0 |
| March 2026 | 4 | 3 | 100.0% | 1 |
| April 2026 | 4 | 4 | 100.0% | 0 |
| May 2026 | 5 | 5 | 100.0% | 0 |
| June 2026 | 4 | 4 | 75.0% | 0 |
| July 2026 | 4 | 4 | 100.0% | 0 |