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Flight Reliability

B6 620 · JetBlue Airways

San Diego → Boston (SAN–BOS)

77
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
9 min
Average arrival delay
1.5%
Cancelled
10 min early
Median arrival delay

Based on 265 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

B6 620 departing between 3–6 PM arrived on time 84% of the time, versus 67% between 12–3 PM.

Friday is doing you no favors.

B6 620 arrived on time 90% of the time on Saturdays and just 67% on Fridays. That gap is worth planning around.

A bit ahead of the JetBlue Airways network.

B6 620 arrived on time 76% of the time, versus 73% across the JetBlue Airways network.

Ticking up lately.

B6 620 arrived on time 83% of the time over the last three months in the data, compared with 79% in the three months before that.

The breakdown

On-time by weekday
  • Mon69%(42 flights)
  • Tue84%(37 flights)
  • Wed76%(37 flights)
  • Thu76%(42 flights)
  • Fri67%(43 flights)
  • Sat90%(19 flights)
  • Sun80%(40 flights)
On-time by departure window
  • 9 AM–12 PM74%(118 flights)
  • 12–3 PM67%(48 flights)
  • 3–6 PM84%(94 flights)
On-time trend by month
96%
May

Jun 73% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%26
July 202556%27
August 202585%26
October 202567%27
November 202580%25
January 202681%21
February 202677%22
March 202663%30
April 202689%28
May 202696%23
Departures on time
75%
Diverted
0.4%
Flights flown
260
Months covered
12

Same route, other flights

Keep nerding

Based on 265 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.