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WanderNerd

Flight Reliability

B6 249 · JetBlue Airways

Boston → Savannah (BOSSAV)

81
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
2 min
Average arrival delay
2.0%
Cancelled
9 min early
Median arrival delay

Based on 342 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

B6 249 arrived on time 91% of the time on Tuesdays. On Sundays: 76%.

Better than the JetBlue Airways network average.

B6 249 arrived on time 83% of the time, versus 73% across the JetBlue Airways network.

Trending in the right direction.

B6 249 arrived on time 86% of the time over the last three months in the data, compared with 74% in the three months before that.

The breakdown

On-time by weekday
  • Mon79%(48 flights)
  • Tue91%(42 flights)
  • Wed89%(44 flights)
  • Thu82%(49 flights)
  • Fri82%(51 flights)
  • Sat84%(49 flights)
  • Sun76%(50 flights)
On-time by departure window
  • 6–9 AM83%(195 flights)
  • 9 AM–12 PM83%(138 flights)
On-time trend by month
94%
May

Jun 83% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%18
July 202573%30
August 202584%31
September 202596%22
October 2025100%30
November 202583%30
December 202557%30
January 202683%24
February 202681%26
March 202681%31
April 202683%30
May 202694%31
Departures on time
86%
Diverted
0.6%
Flights flown
333
Months covered
12

Based on 342 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.