ON TIMEBOARD

B6 277 on time

JetBlue 277: Fort Lauderdale to San Francisco at 8:00 p.m. (past 12 months)

On time
62%
363 flights · likely 57–67%
Cancelled
0.5%
of scheduled flights
Typical arrival
+6 min
median vs schedule
When late
+58 min
average delay
Similar flights
61%
B6, same route & hour

About 1 in 3 B6 277 flights from Fort Lauderdale arrived 15+ minutes late, diverted or cancelled over the past year (38%); 0.5% were cancelled. The typical flight landed 6 minutes late.

B6 277: FLL → SFO

Scheduled to leave Fort Lauderdale at 8:00 p.m. local time. Over the past year it arrived on time 62% of the time (363 flights), in line with other B6 flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.

Usually JetBlue's last flight of the day from Fort Lauderdale to San Francisco (100% of days). JetBlue's last FLL–SFO flight was cancelled 0.5% of the time, against 0.0% for its earlier ones. If it's cancelled, the next JetBlue flight is usually around 7:00 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 73% on time (30 flights)73SepOct 2025: 68% on time (31 flights)68OctNov 2025: 68% on time (28 flights)68NovDec 2025: 52% on time (31 flights)52DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 43% on time (28 flights)43FebMar 2026: 61% on time (31 flights)61MarApr 2026: 63% on time (30 flights)63AprMay 2026: 81% on time (31 flights)81MayJun 2026: 53% on time (30 flights)53JunJul 2026: 52% on time (31 flights)52JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday5355%
Tuesday5277%
Wednesday5176%
Thursday5145%
Friday5252%
Saturday5275%
Sunday5254%

Why it was late

Late inbound plane 44%Air traffic & airport (NAS) 29%Airline (crew, maintenance, ops) 24%Severe weather 3%Security 1%

All flights FLL → SFO · Connecting off B6 277? Check the risk

Questions

How often is B6 277 from FLL to SFO late?

JetBlue 277 from Fort Lauderdale, FL to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 38% of 363 scheduled flights between September 2025 and August 2026. 0.5% 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.