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Flight Reliability

B6 1434 · JetBlue Airways

San Juan → Orlando (SJU–MCO)

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
6 min
Average arrival delay
0.8%
Cancelled
11 min early
Median arrival delay

Based on 251 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

B6 1434 departing between 3–6 AM arrived on time 98% of the time, versus 65% between 6–9 PM.

Wednesdays have been rough.

B6 1434 arrived on time 95% of the time on Thursdays and just 64% on Wednesdays. That gap is worth planning around.

Better than the JetBlue Airways network average.

B6 1434 arrived on time 81% of the time, versus 73% across the JetBlue Airways network.

Ticking up lately.

B6 1434 arrived on time 77% of the time over the last three months in the data, compared with 71% in the three months before that.

The breakdown

On-time by weekday
  • Mon73%(41 flights)
  • Tue88%(32 flights)
  • Wed64%(25 flights)
  • Thu95%(37 flights)
  • Fri79%(38 flights)
  • Sat95%(37 flights)
  • Sun69%(39 flights)
On-time by departure window
  • 3–6 AM98%(104 flights)
  • 6–9 AM—(1 flights)
  • 3–6 PM70%(10 flights)
  • 6–9 PM65%(49 flights)
  • 9 PM–12 AM69%(85 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%24
July 202596%26
August 202596%24
November 202586%29
December 202561%31
January 202667%30
February 202668%19
March 202662%29
May 2026100%27
Departures on time
80%
Diverted
0%
Flights flown
249
Months covered
12

Same route, other flights

Keep nerding

Based on 251 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.