B6303
B6303 (JetBlue Airways) is a multi-stop service on 2 routes, busiest Boston to Phoenix. Of 489 departures recorded from October 2024 to July 2026, 68.8% left on time, according to the US BTS.
- On-time departures68.8%of 489 flights
- Average delay24.0 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.8%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | – | – |
| February | 28 | 17 | ▼ 39.3% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 26 | 28 | ▲ 7.7% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 1 | – | – |
| October | 18 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 74.2% | – | – |
| February | 78.6% | 66.7% | ▼ 15.1% |
| March | 77.4% | 67.7% | ▼ 12.5% |
| April | 100.0% | 83.3% | ▼ 16.7% |
| May | 80.8% | 82.1% | ▲ 1.7% |
| June | 63.3% | 66.7% | ▲ 5.3% |
| July | 26.7% | 25.9% | ▼ 2.8% |
| August | 61.3% | – | – |
| September | 100.0% | – | – |
| October | 38.9% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 4 | ▲ 300.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 98.2% 480
- Cancelled 1.8% 9
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 PHX Boston Logan International Airport – Phoenix Sky Harbor International Airport | 3,693 | 15.8 min | 76.9% | 251 |
| JFK SJU John F. Kennedy International Airport – Luis Munoz Marin International Airport | 2,578 | 32.6 min | 60.1% | 238 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 100.0% | 0 |
| November 2024 | 29 | 29 | 82.8% | 0 |
| December 2024 | 31 | 29 | 72.4% | 2 |
| January 2025 | 31 | 31 | 74.2% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 30 | 30 | 100.0% | 0 |
| May 2025 | 26 | 26 | 80.8% | 0 |
| June 2025 | 30 | 30 | 63.3% | 0 |
| July 2025 | 31 | 30 | 26.7% | 1 |
| August 2025 | 31 | 31 | 61.3% | 0 |
| September 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 18 | 18 | 38.9% | 0 |
| February 2026 | 17 | 15 | 66.7% | 2 |
| March 2026 | 31 | 31 | 67.7% | 0 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 28 | 28 | 82.1% | 0 |
| June 2026 | 30 | 30 | 66.7% | 0 |
| July 2026 | 31 | 27 | 25.9% | 4 |