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Flight Reliability

B6 2321 · JetBlue Airways

Boston → West Palm Beach (BOS–PBI)

62
A Little Dicey
WanderNerd Reliability Score
68%
Arrive within 15 minutes
13 min
Average arrival delay
2.7%
Cancelled
1 min early
Median arrival delay

Based on 335 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

B6 2321 departing between 12–3 PM arrived on time 72% of the time, versus 64% between 9 AM–12 PM.

Sunday scaries are real for this one.

B6 2321 arrived on time 80% of the time on Wednesdays and just 47% on Sundays. That gap is worth planning around.

A bit behind the JetBlue Airways network.

B6 2321 arrived on time 68% of the time, versus 73% across the JetBlue Airways network.

Trending in the right direction.

B6 2321 arrived on time 66% of the time over the last three months in the data, compared with 57% in the three months before that.

The breakdown

On-time by weekday
  • Mon70%(46 flights)
  • Tue71%(42 flights)
  • Wed80%(44 flights)
  • Thu69%(49 flights)
  • Fri71%(48 flights)
  • Sat69%(45 flights)
  • Sun47%(51 flights)
On-time by departure window
  • 6–9 AM67%(18 flights)
  • 9 AM–12 PM64%(135 flights)
  • 12–3 PM72%(151 flights)
  • 6–9 PM67%(21 flights)
On-time trend by month
60%
May

Jun 67% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%27
July 202559%29
August 202557%23
September 202590%30
October 202589%28
November 202582%27
December 202568%31
January 202650%28
February 202654%26
March 202662%29
April 202677%17
May 202660%30
Departures on time
76%
Diverted
0.3%
Flights flown
325
Months covered
12

Same route, other flights

Keep nerding

Based on 335 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.