ON TIMEBOARD

B6 377 on time

JetBlue 377: Fort Lauderdale to San Francisco at 7:00 a.m. (past 12 months)

On time
86%
177 flights · likely 80–90%
Cancelled
0.0%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+58 min
average delay
Similar flights
86%
B6, same route & hour

About 1 in 7 B6 377 flights from Fort Lauderdale arrived 15+ minutes late, diverted or cancelled over the past year (14%); 0.0% were cancelled. The typical flight landed 7 minutes early.

B6 377: FLL → SFO

Scheduled to leave Fort Lauderdale at 7:00 a.m. local time. Over the past year it arrived on time 86% of the time (177 flights), in line with other B6 flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2025: 90% on time (31 flights)90MayJun 2025: 97% on time (30 flights)97JunJul 2025: 94% on time (31 flights)94JulAug 2025: 90% on time (31 flights)90AugSep 2025: 90% on time (30 flights)90SepOct 2025: 100% on time (25 flights)100OctDec 2025: too few flights (14 flights)DecJan 2026: too few flights (5 flights)JanMay 2026: too few flights (11 flights)MayJun 2026: 73% on time (30 flights)73JunJul 2026: 81% on time (31 flights)81JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday2688%
Tuesday2492%
Wednesday2492%
Thursday2685%
Friday2677%
Saturday2688%
Sunday2580%

Why it was late

Late inbound plane 49%Air traffic & airport (NAS) 25%Airline (crew, maintenance, ops) 24%Security 2%

All flights FLL → SFO · Connecting off B6 377? Check the risk

Questions

How often is B6 377 from FLL to SFO late?

JetBlue 377 from Fort Lauderdale, FL to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 177 scheduled flights between September 2025 and August 2026. 0.0% 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.