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Flight Reliability

B6 1333 · JetBlue Airways

Boston → San Francisco (BOS–SFO)94% of its flights flew this route. The rest (MCO–SJU) are included in these numbers.

96
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
10 min early
Average arrival delay
0%
Cancelled
16 min early
Median arrival delay

Based on 191 historical flights. Data through May 2026.

What the data says

Skip Saturday if you can.

B6 1333 arrived on time 96% of the time on Fridays. On Saturdays: 82%.

Better than the BOS–SFO route average.

B6 1333 arrived on time 90% of the time, versus 76% across the BOS–SFO route.

Well ahead of the JetBlue Airways network.

B6 1333 arrived on time 90% of the time, versus 73% across the JetBlue Airways network.

It basically never cancels.

Out of 191 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon85%(27 flights)
  • Tue85%(26 flights)
  • Wed96%(26 flights)
  • Thu93%(28 flights)
  • Fri96%(28 flights)
  • Sat82%(27 flights)
  • Sun93%(28 flights)
On-time by departure window
  • 6–9 AM91%(178 flights)
  • 9 AM–12 PM—(7 flights)
  • 12–3 PM—(1 flights)
  • 6–9 PM—(4 flights)
On-time trend by month
81%
May

Jun 97% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 2025100%31
August 202594%31
September 202593%30
October 202579%24
November 202573%11
May 202681%31
Departures on time
88%
Diverted
0.5%
Flights flown
190
Months covered
9

Same route, other flights

Keep nerding

Based on 191 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.