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Flight Reliability

B6 1833 · JetBlue Airways

Boston → San Francisco (BOS–SFO)91% of its flights flew this route. The rest (ORH–RSW, MCO–SJU) are included in these numbers.

100
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
14 min early
Average arrival delay
0%
Cancelled
20 min early
Median arrival delay

Based on 174 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

B6 1833 departing between 6–9 AM arrived on time 100% of the time, versus 92% between 9 AM–12 PM.

Sunday scaries are real for this one.

B6 1833 arrived on time 96% of the time on Mondays. On Sundays: 86%.

Well ahead of the BOS–SFO route.

B6 1833 arrived on time 92% of the time, versus 76% across the BOS–SFO route.

Well ahead of the JetBlue Airways network.

B6 1833 arrived on time 92% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon96%(27 flights)
  • Tue96%(27 flights)
  • Wed89%(27 flights)
  • Thu93%(28 flights)
  • Fri90%(29 flights)
  • Sat—(8 flights)
  • Sun86%(28 flights)
On-time by departure window
  • 6–9 AM100%(12 flights)
  • 9 AM–12 PM92%(146 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM93%(15 flights)
On-time trend by month
93%
May

Jun 100% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%27
July 202582%27
August 202592%26
September 202592%26
October 202595%21
April 202694%17
May 202693%29
Departures on time
91%
Diverted
0%
Flights flown
174
Months covered
8

Same route, other flights

Keep nerding

Based on 174 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.