No delays reported for B6 1237 (BOS → DTW) as of 6:51 PM ET. It arrived on time 57% of the time in June-August 2026. When it was late, the average delay was 1h 47m. 10.2% of flights were cancelled. Right now there are no reported delays at BOS, DTW.
High cancellation risk
Next leg BOS → DTW, scheduled 3:38 PM local time. No delays at BOS right now. Line up a backup option.
10.2% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check JetBlue for official times.
Book a backup seat BOS → DTWThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| BOS → DTW Boston, MA to Detroit, MI | 3:38 PM → 5:49 PM | 57% |
Local times. Schedules change; check your booking.
How reliable is B6 1237?
| Arrived on time (within 15 min) | 57% |
| Average delay when late | 107 min |
| Cancelled | 10.2% |
| Diverted | 0% |
| Flights tracked | 88 |
Best and worst days to fly B6 1237
B6 1237 was most reliable on Mondays (91% on time) and least reliable on Saturdays (20%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
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 BOS → DTW
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 1237 delayed today?
Right now there are no reported delays at BOS, DTW. Checked 6:51 PM ET. For this flight's gate and exact status, check the JetBlue app.
Is B6 1237 usually on time?
B6 1237 arrived within 15 minutes of schedule 57% of the time in June-August 2026, with an average delay of 107 minutes when late.
How often is B6 1237 cancelled?
10.2% of B6 1237 flights were cancelled in June-August 2026.