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Flight Reliability

B6 577 · JetBlue Airways

Fort Lauderdale → San Francisco (FLL–SFO)95% of its flights flew this route. The rest (JFK–JAX) are included in these numbers.

96
Nerd Approved
WanderNerd Reliability Score
88%
Arrive within 15 minutes
8 min early
Average arrival delay
0%
Cancelled
12 min early
Median arrival delay

Based on 218 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 88% of the time, against 82% between 3–6 PM.

Sunday scaries are real for this one.

B6 577 arrived on time 97% of the time on Saturdays and just 81% on Sundays. That gap is worth planning around.

Better than the FLL–SFO route average.

B6 577 arrived on time 88% of the time, versus 81% across the FLL–SFO route.

Better than the JetBlue Airways network average.

B6 577 arrived on time 88% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon94%(32 flights)
  • Tue84%(32 flights)
  • Wed91%(32 flights)
  • Thu83%(30 flights)
  • Fri83%(30 flights)
  • Sat97%(30 flights)
  • Sun81%(32 flights)
On-time by departure window
  • 6–9 AM88%(207 flights)
  • 3–6 PM82%(11 flights)
On-time trend by month
85%
May

Jun 82% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%11
November 202590%30
December 202587%31
January 202694%31
February 202693%28
March 202694%31
April 202670%30
May 202685%20
Departures on time
90%
Diverted
0%
Flights flown
218
Months covered
9

Same route, other flights

Keep nerding

Based on 218 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.