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Flight Reliability

B6 733 · JetBlue Airways

Boston → San Francisco (BOS–SFO)

62
A Little Dicey
WanderNerd Reliability Score
65%
Arrive within 15 minutes
17 min
Average arrival delay
1.2%
Cancelled
1 min
Median arrival delay

Based on 332 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

B6 733 departing between 3–6 PM arrived on time 74% of the time, versus 62% between 9 PM–12 AM.

Thursdays have been rough.

B6 733 arrived on time 79% of the time on Tuesdays and just 52% on Thursdays. That gap is worth planning around.

Lagging the BOS–SFO route.

B6 733 arrived on time 65% of the time, versus 76% across the BOS–SFO route.

Lagging the JetBlue Airways network.

B6 733 arrived on time 65% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon67%(48 flights)
  • Tue79%(48 flights)
  • Wed62%(47 flights)
  • Thu52%(48 flights)
  • Fri71%(49 flights)
  • Sat56%(39 flights)
  • Sun64%(47 flights)
On-time by departure window
  • 3–6 PM74%(65 flights)
  • 6–9 PM63%(240 flights)
  • 9 PM–12 AM62%(21 flights)
On-time trend by month
57%
Apr

Jun 77% → Apr 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202553%30
August 202587%31
September 202581%26
October 202570%27
November 202557%28
December 202548%31
January 202663%30
February 202660%25
March 202661%31
April 202657%28
Departures on time
66%
Diverted
0.6%
Flights flown
326
Months covered
12

Same route, other flights

Keep nerding

Based on 332 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.