Likely delayed: there are delays at B6 1238's airports as of 6:46 PM ET. It arrived on time 72.4% of the time in June-August 2026. When it was late, the average delay was 1h 13m. 5.4% of flights were cancelled. AUS has major delays (runway construction, max 3 hours and 3 minutes), so this flight is likely to be delayed.
Likely delayed
Likely delayed: AUS has major delays (runway construction, max 3 hours and 3 minutes). Scheduled to leave at 10:15 AM local time.
Cancellation risk: High 5.4% of its flights were cancelled in June-August 2026; AUS has major delays; rough weather at AUS.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check JetBlue for official times.
Book a backup seat AUS → BOSThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| AUS → BOS Austin, TX to Boston, MA | 10:15 AM → 3:21 PM | 72% |
Local times. Schedules change; check your booking.
How reliable is B6 1238?
| Arrived on time (within 15 min) | 72.4% |
| Average delay when late | 73 min |
| Cancelled | 5.4% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly B6 1238
B6 1238 was most reliable on Sundays (92% on time) and least reliable on Wednesdays (55%).
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Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by JetBlue to the Department of Transportation.
Other flights AUS → BOS
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the JetBlue app.
JetBlue delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is B6 1238 delayed today?
AUS has major delays (runway construction, max 3 hours and 3 minutes), so this flight is likely to be delayed. Checked 6:46 PM ET. For this flight's gate and exact status, check the JetBlue app.
Is B6 1238 usually on time?
B6 1238 arrived within 15 minutes of schedule 72.4% of the time in June-August 2026, with an average delay of 73 minutes when late.
How often is B6 1238 cancelled?
5.4% of B6 1238 flights were cancelled in June-August 2026.