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Flight Reliability

B6 866 · JetBlue Airways

Fort Lauderdale → Buffalo (FLL–BUF)

48
Bring Snacks
WanderNerd Reliability Score
62%
Arrive within 15 minutes
20 min
Average arrival delay
4.1%
Cancelled
7 min
Median arrival delay

Based on 195 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

B6 866 departing between 12–3 PM arrived on time 77% of the time, versus 57% between 6–9 PM.

Sunday scaries are real for this one.

B6 866 arrived on time 70% of the time on Tuesdays and just 50% on Sundays. That gap is worth planning around.

A bit behind the FLL–BUF route.

B6 866 arrived on time 62% of the time, versus 66% across the FLL–BUF route.

Lagging the JetBlue Airways network.

B6 866 arrived on time 62% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon64%(25 flights)
  • Tue70%(27 flights)
  • Wed59%(27 flights)
  • Thu70%(27 flights)
  • Fri56%(27 flights)
  • Sat61%(28 flights)
  • Sun50%(26 flights)
On-time by departure window
  • 12–3 PM77%(13 flights)
  • 3–6 PM71%(45 flights)
  • 6–9 PM57%(127 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
73%
May

Nov 89% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202589%28
December 202564%28
January 202659%29
February 202659%27
March 202630%30
April 202657%28
May 202673%11
Departures on time
59%
Diverted
0%
Flights flown
187
Months covered
8

Same route, other flights

Keep nerding

Based on 195 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.