B6312
B6312 (JetBlue Airways) flies Chicago to Boston. Of 610 departures recorded from October 2024 to July 2026, 81.7% left on time, according to the US BTS.
- On-time departures81.7%of 610 flights
- Average delay12.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.6%
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 29 | 26 | ▼ 10.3% |
| February | 26 | 28 | ▲ 7.7% |
| March | 23 | 31 | ▲ 34.8% |
| April | 25 | 28 | ▲ 12.0% |
| May | 31 | 28 | ▼ 9.7% |
| June | 30 | 29 | ▼ 3.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 26 | – | – |
| December | 16 | – | – |
| Year to date (Jan–Jul) | 195 | 201 | ▲ 3.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 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 | 89.3% | 84.0% | ▼ 5.9% |
| February | 96.0% | 73.1% | ▼ 23.9% |
| March | 78.3% | 70.0% | ▼ 10.6% |
| April | 80.0% | 82.1% | ▲ 2.7% |
| May | 80.7% | 85.7% | ▲ 6.3% |
| June | 96.7% | 86.2% | ▼ 10.8% |
| July | 89.7% | 72.4% | ▼ 19.2% |
| August | 90.3% | – | – |
| September | 80.0% | – | – |
| October | 71.0% | – | in progress |
| November | 61.5% | – | – |
| December | 68.8% | – | – |
| Year-to-date average (Jan–Jul) | 87.2% | 79.1% | ▼ 9.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 1 | 0.0% |
| February | 1 | 2 | ▲ 100.0% |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 2 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 6 | ▲ 50.0% |
according to the US BTS · 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 98.4% 600
- Cancelled 1.6% 10
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 |
|---|---|---|---|---|
| ORD BOS Chicago O'Hare International Airport – Boston Logan International Airport | 1,391 | 12.1 min | 81.7% | 610 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 29 | 29 | 100.0% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 29 | 28 | 89.3% | 1 |
| February 2025 | 26 | 25 | 96.0% | 1 |
| March 2025 | 23 | 23 | 78.3% | 0 |
| April 2025 | 25 | 25 | 80.0% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 29 | 89.7% | 2 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 31 | 31 | 71.0% | 0 |
| November 2025 | 26 | 26 | 61.5% | 0 |
| December 2025 | 16 | 16 | 68.8% | 0 |
| January 2026 | 26 | 25 | 84.0% | 1 |
| February 2026 | 28 | 26 | 73.1% | 2 |
| March 2026 | 31 | 30 | 70.0% | 1 |
| April 2026 | 28 | 28 | 82.1% | 0 |
| May 2026 | 28 | 28 | 85.7% | 0 |
| June 2026 | 29 | 29 | 86.2% | 0 |
| July 2026 | 31 | 29 | 72.4% | 2 |