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Flight Reliability

B6 234 · JetBlue Airways

San Juan → Orlando (SJU–MCO)99% of its flights flew this route. The rest (SFO–BOS) are included in these numbers.

90
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min
Average arrival delay
0.7%
Cancelled
8 min early
Median arrival delay

Based on 147 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

B6 234 departing between 6–9 AM arrived on time 94% of the time, versus 50% between 3–6 PM.

Sunday scaries are real for this one.

B6 234 arrived on time 100% of the time on Wednesdays and just 75% on Sundays. That gap is worth planning around.

A bit ahead of the SJU–MCO route.

B6 234 arrived on time 85% of the time, versus 80% across the SJU–MCO route.

Better than the JetBlue Airways network average.

B6 234 arrived on time 85% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon83%(23 flights)
  • Tue82%(11 flights)
  • Wed100%(19 flights)
  • Thu91%(23 flights)
  • Fri75%(24 flights)
  • Sat91%(22 flights)
  • Sun75%(24 flights)
On-time by departure window
  • 6–9 AM94%(89 flights)
  • 9 AM–12 PM82%(33 flights)
  • 12–3 PM—(6 flights)
  • 3–6 PM50%(18 flights)
On-time trend by month
100%
May

Jun 100% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%27
July 202589%26
August 202592%24
December 202564%14
January 202677%30
February 202664%11
May 2026100%11
Departures on time
84%
Diverted
0%
Flights flown
146
Months covered
9

Same route, other flights

Keep nerding

Based on 147 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.