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Flight Reliability

B6 551 · JetBlue Airways

Boston → Orlando (BOS–MCO)

52
A Little Dicey
WanderNerd Reliability Score
67%
Arrive within 15 minutes
20 min
Average arrival delay
3.5%
Cancelled
2 min
Median arrival delay

Based on 199 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

B6 551 departing between 3–6 PM arrived on time 78% of the time, versus 46% between 6–9 PM.

Sunday scaries are real for this one.

B6 551 arrived on time 84% of the time on Tuesdays and just 45% on Sundays. That gap is worth planning around.

A bit behind the BOS–MCO route.

B6 551 arrived on time 67% of the time, versus 71% across the BOS–MCO route.

A bit behind the JetBlue Airways network.

B6 551 arrived on time 67% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon67%(24 flights)
  • Tue84%(25 flights)
  • Wed78%(27 flights)
  • Thu57%(28 flights)
  • Fri72%(29 flights)
  • Sat68%(28 flights)
  • Sun45%(29 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM70%(142 flights)
  • 3–6 PM78%(18 flights)
  • 6–9 PM46%(28 flights)
On-time trend by month
43%
May

Nov 83% → May 43% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202583%29
December 202561%31
January 202683%29
February 202656%25
March 202676%29
April 202657%28
May 202643%14
Departures on time
70%
Diverted
1.0%
Flights flown
190
Months covered
8

Same route, other flights

Keep nerding

Based on 199 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.