ON TIMEBOARD

B6 1012 on time

JetBlue 1012: Chicago to Boston at 8:20 p.m. (past 12 months)

On time
60%
215 flights · likely 54–67%
Cancelled
7.0%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+101 min
average delay
Similar flights
47%
B6, same route & hour

About 1 in 3 B6 1012 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (40%); 7.0% were cancelled. The typical flight landed 2 minutes early.

B6 1012: ORD → BOS

Scheduled to leave Chicago at 8:20 p.m. local time. Over the past year it arrived on time 60% of the time (215 flights), better than other B6 flights on the route at that hour (47%). Last seen in the data Aug 31, 2026.

Usually JetBlue's last flight of the day from Chicago to Boston (78% of days). JetBlue's last ORD–BOS flight was cancelled 7.4% of the time, against 2.1% for its earlier ones. If it's cancelled, the next JetBlue flight is usually around 10:56 a.m. the next morning.

Month by month

20%60%100%Aug 2025: 89% on time (18 flights)89AugSep 2025: 61% on time (18 flights)61SepOct 2025: 70% on time (27 flights)70OctNov 2025: 63% on time (24 flights)63NovDec 2025: 70% on time (23 flights)70DecJan 2026: too few flights (5 flights)JanMar 2026: too few flights (12 flights)MarApr 2026: too few flights (11 flights)AprMay 2026: 87% on time (23 flights)87MayJun 2026: 58% on time (19 flights)58JunJul 2026: 26% on time (27 flights)26JulAug 2026: 35% on time (26 flights)35Aug

By day of week

DayFlightsOn time
Monday4255%
Tuesday2055%
Wednesday2167%
Thursday4060%
Friday4163%
Saturday10—
Sunday4159%

Why it was late

Late inbound plane 71%Airline (crew, maintenance, ops) 20%Air traffic & airport (NAS) 9%

All flights ORD → BOS · Connecting off B6 1012? Check the risk

Questions

How often is B6 1012 from ORD to BOS late?

JetBlue 1012 from Chicago, IL to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 40% of 215 scheduled flights between September 2025 and August 2026. 7.0% 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.