B621
B621 (JetBlue Airways) flies Boston to West Palm Beach. Of 423 departures recorded from January 2025 to July 2026, 77.9% left on time, according to the US BTS.
- On-time departures77.9%of 423 flights
- Average delay15.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.6%
Recorded departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 25 | 9 | ▼ 64.0% |
| February | 26 | 18 | ▼ 30.8% |
| March | 31 | 1 | ▼ 96.8% |
| April | 29 | 2 | ▼ 93.1% |
| May | – | 20 | – |
| June | 19 | 30 | ▲ 57.9% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
according to the US BTS · January 2025 → July 2026
On-time departures by month
Months without data are left blank.
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 | 92.0% | 44.4% | ▼ 51.7% |
| February | 65.4% | 35.3% | ▼ 46.0% |
| March | 63.3% | 0.0% | ▼ 100.0% |
| April | 96.6% | 100.0% | ▲ 3.6% |
| May | – | 100.0% | – |
| June | 100.0% | 90.0% | ▼ 10.0% |
| July | 81.5% | 75.9% | ▼ 6.9% |
| August | 80.0% | – | – |
| September | 90.0% | – | – |
| October | 87.1% | – | in progress |
| November | 74.1% | – | – |
| December | 46.7% | – | – |
according to the US BTS · January 2025 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · January 2025 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 4 | 2 | ▼ 50.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
according to the US BTS · January 2025 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 97.4% 412
- Cancelled 2.6% 11
Share of all recorded flights in the period, all legs. · Jan 7, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS DJT Boston Logan International Airport – President Donald J. Trump International Airport | 1,929 | 15.1 min | 77.9% | 423 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 25 | 25 | 92.0% | 0 |
| February 2025 | 26 | 26 | 65.4% | 0 |
| March 2025 | 31 | 30 | 63.3% | 1 |
| April 2025 | 29 | 29 | 96.6% | 0 |
| June 2025 | 19 | 19 | 100.0% | 0 |
| July 2025 | 31 | 27 | 81.5% | 4 |
| August 2025 | 31 | 30 | 80.0% | 1 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 28 | 27 | 74.1% | 1 |
| December 2025 | 31 | 30 | 46.7% | 1 |
| January 2026 | 9 | 9 | 44.4% | 0 |
| February 2026 | 18 | 17 | 35.3% | 1 |
| March 2026 | 1 | 1 | 0.0% | 0 |
| April 2026 | 2 | 2 | 100.0% | 0 |
| May 2026 | 20 | 20 | 100.0% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 29 | 75.9% | 2 |