No delays reported for B6 2120 (SAN → BOS) as of 6:46 PM ET. It arrived on time 76.9% of the time in June-August 2026. When it was late, the average delay was 1h 3m. 1.1% of flights were cancelled. Right now there are no reported delays at SAN, BOS.
Looks on time
Next leg SAN → BOS, scheduled 8:40 PM local time. No delays at SAN right now.
Cancellation risk: Low 1.1% 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.
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SAN → BOS San Diego, CA to Boston, MA | 8:40 PM → 5:19 AM | 77% |
Local times. Schedules change; check your booking.
How reliable is B6 2120?
| Arrived on time (within 15 min) | 76.9% |
| Average delay when late | 63 min |
| Cancelled | 1.1% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly B6 2120
B6 2120 was most reliable on Wednesdays (100% on time) and least reliable on Thursdays (58%).
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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 SAN → 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 2120 delayed today?
Right now there are no reported delays at SAN, BOS. Checked 6:46 PM ET. For this flight's gate and exact status, check the JetBlue app.
Is B6 2120 usually on time?
B6 2120 arrived within 15 minutes of schedule 76.9% of the time in June-August 2026, with an average delay of 63 minutes when late.
How often is B6 2120 cancelled?
1.1% of B6 2120 flights were cancelled in June-August 2026.