B6638
B6638 (JetBlue Airways) is a multi-stop service on 3 routes, busiest Austin to Boston. Of 78 departures recorded from April 2025 to July 2026, 61.3% left on time, according to the US BTS.
- On-time departures61.3%of 78 flights
- Average delay24.4 min
- July 202631
- Cancelled3.9%
- Legs flown under this number3
Recorded departures by month
Short series — B6638 has only 6 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods6 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 1 | – | – |
| May | 19 | – | – |
| June | 6 | 20 | ▲ 233.3% |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → July 2026
On-time departures by month
Short series — B6638 has only 6 months so far. Enough to show the level now, not enough to read a trend.
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 periods6 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 100.0% | – | – |
| May | 79.0% | – | – |
| June | 100.0% | 45.0% | ▼ 55.0% |
| July | – | 50.0% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → July 2026
Average departure delay by month
Short series — B6638 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · April 2025 → July 2026
Cancelled departures by month
Short series — B6638 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | – | 3 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → 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 96.2% 75
- Cancelled 3.8% 3
Share of all recorded flights in the period, all legs. · Apr 30, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS BOS Austin Bergstrom International Airport – Boston Logan International Airport | 2,729 | 35.0 min | 47.9% | 51 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 1 | 1 | 100.0% | 0 |
| May 2025 | 19 | 19 | 79.0% | 0 |
| June 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| June 2026 | 20 | 20 | 45.0% | 0 |
| July 2026 | 31 | 28 | 50.0% | 3 |