B6415
B6415 (JetBlue Airways) is a multi-stop service on 2 routes, busiest Boston to Buffalo. Of 561 departures recorded from October 2024 to July 2026, 69.8% left on time, according to the US BTS.
- On-time departures69.8%of 561 flights
- Average delay21.9 min
- July 202631▲ 14.8%vs July 2025
- Cancelled2.5%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 20 | 23 | ▲ 15.0% |
| February | 22 | 25 | ▲ 13.6% |
| March | 31 | 31 | 0.0% |
| April | 26 | 28 | ▲ 7.7% |
| May | 31 | 11 | ▼ 64.5% |
| June | 27 | 30 | ▲ 11.1% |
| July | 27 | 31 | ▲ 14.8% |
| August | 26 | – | – |
| September | 30 | – | – |
| October | 29 | – | in progress |
| November | 23 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 184 | 179 | ▼ 2.7% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 73.7% | 57.1% | ▼ 22.4% |
| February | 81.0% | 59.1% | ▼ 27.0% |
| March | 51.6% | 50.0% | ▼ 3.1% |
| April | 76.9% | 71.4% | ▼ 7.1% |
| May | 93.6% | 36.4% | ▼ 61.1% |
| June | 74.1% | 72.4% | ▼ 2.2% |
| July | 77.8% | 50.0% | ▼ 35.7% |
| August | 84.6% | – | – |
| September | 83.3% | – | – |
| October | 79.3% | – | in progress |
| November | 60.9% | – | – |
| December | 47.8% | – | – |
| Year-to-date average (Jan–Jul) | 75.5% | 56.6% | ▼ 25.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 1 | 3 | ▲ 200.0% |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 8 | ▲ 300.0% |
according to the US BTS · 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 97.5% 547
- Cancelled 2.5% 14
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS BUF Boston Logan International Airport – Buffalo Niagara International Airport | 635 | 24.2 min | 65.5% | 322 |
| JFK SFO John F. Kennedy International Airport – San Francisco International Airport | 4,152 | 18.8 min | 75.5% | 239 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 80.0% | 0 |
| November 2024 | 29 | 29 | 79.3% | 0 |
| December 2024 | 31 | 29 | 79.3% | 2 |
| January 2025 | 20 | 19 | 73.7% | 1 |
| February 2025 | 22 | 21 | 81.0% | 1 |
| March 2025 | 31 | 31 | 51.6% | 0 |
| April 2025 | 26 | 26 | 76.9% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 27 | 27 | 74.1% | 0 |
| July 2025 | 27 | 27 | 77.8% | 0 |
| August 2025 | 26 | 26 | 84.6% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 29 | 29 | 79.3% | 0 |
| November 2025 | 23 | 23 | 60.9% | 0 |
| December 2025 | 25 | 23 | 47.8% | 2 |
| January 2026 | 23 | 21 | 57.1% | 2 |
| February 2026 | 25 | 22 | 59.1% | 3 |
| March 2026 | 31 | 30 | 50.0% | 1 |
| April 2026 | 28 | 28 | 71.4% | 0 |
| May 2026 | 11 | 11 | 36.4% | 0 |
| June 2026 | 30 | 29 | 72.4% | 1 |
| July 2026 | 31 | 30 | 50.0% | 1 |