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Flight Reliability

B6 15 · JetBlue Airways

New York → San Francisco (JFK–SFO)

80
Pretty Reliable
WanderNerd Reliability Score
88%
Arrive within 15 minutes
5 min early
Average arrival delay
3.9%
Cancelled
8 min early
Median arrival delay

Based on 178 historical flights. Data through May 2026.

What the data says

Skip Thursday if you can.

B6 15 arrived on time 96% of the time on Fridays. On Thursdays: 82%.

Better than the JFK–SFO route average.

B6 15 arrived on time 88% of the time, versus 76% across the JFK–SFO route.

Better than the JetBlue Airways network average.

B6 15 arrived on time 88% of the time, versus 73% across the JetBlue Airways network.

Keep a backup plan handy.

B6 15 was cancelled 3.9% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon85%(26 flights)
  • Tue89%(26 flights)
  • Wed83%(29 flights)
  • Thu82%(28 flights)
  • Fri96%(26 flights)
  • Sat—(8 flights)
  • Sun93%(28 flights)
On-time by departure window
  • 6–9 AM88%(170 flights)
  • 12–3 PM—(1 flights)
On-time trend by month
87%
May

Nov 96% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202596%24
December 202579%14
January 202685%20
February 202686%22
March 202692%26
April 202689%28
May 202687%31
Departures on time
90%
Diverted
0%
Flights flown
171
Months covered
8

Same route, other flights

Keep nerding

Based on 178 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.