ON TIMEBOARD

B6 619 on time

JetBlue 619: Boston to San Diego at 6:05 a.m. (past 12 months)

On time
85%
263 flights · likely 80–89%
Cancelled
1.9%
of scheduled flights
Typical arrival
−16 min
median vs schedule
When late
+82 min
average delay
Similar flights
84%
B6, same route & hour

About 1 in 7 B6 619 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (15%); 1.9% were cancelled. The typical flight landed 16 minutes early.

B6 619: BOS → SAN

Scheduled to leave Boston at 6:05 a.m. local time. Over the past year it arrived on time 85% of the time (263 flights), in line with other B6 flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (2 flights)SepOct 2025: 93% on time (27 flights)93OctNov 2025: 88% on time (25 flights)88NovDec 2025: too few flights (3 flights)DecJan 2026: 86% on time (22 flights)86JanFeb 2026: 76% on time (25 flights)76FebMar 2026: 87% on time (31 flights)87MarApr 2026: 81% on time (26 flights)81AprMay 2026: 91% on time (23 flights)91MayJun 2026: 85% on time (26 flights)85JunJul 2026: 85% on time (27 flights)85JulAug 2026: 77% on time (26 flights)77Aug

By day of week

DayFlightsOn time
Monday4480%
Tuesday3789%
Wednesday3781%
Thursday4290%
Friday4379%
Saturday17—
Sunday4388%

Why it was late

Late inbound plane 47%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 17%Severe weather 7%

All flights BOS → SAN · Connecting off B6 619? Check the risk

Questions

How often is B6 619 from BOS to SAN late?

JetBlue 619 from Boston, MA to San Diego, CA arrived 15 or more minutes late, was diverted or was cancelled on 15% of 263 scheduled flights between September 2025 and August 2026. 1.9% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check JetBlue for today's flight. Method.