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Flight Reliability

B6 221 · JetBlue Airways

Boston → West Palm Beach (BOS–PBI)

52
A Little Dicey
WanderNerd Reliability Score
58%
Arrive within 15 minutes
23 min
Average arrival delay
1.9%
Cancelled
9 min
Median arrival delay

Based on 159 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

B6 221 departing between 12–3 PM arrived on time 59% of the time, versus 52% between 3–6 PM.

Sunday scaries are real for this one.

B6 221 arrived on time 80% of the time on Tuesdays and just 41% on Sundays. That gap is worth planning around.

Lagging the BOS–PBI route.

B6 221 arrived on time 58% of the time, versus 67% across the BOS–PBI route.

Well behind the JetBlue Airways network.

B6 221 arrived on time 58% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon48%(23 flights)
  • Tue80%(25 flights)
  • Wed78%(23 flights)
  • Thu44%(23 flights)
  • Fri65%(26 flights)
  • Sat—(9 flights)
  • Sun41%(27 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 12–3 PM59%(124 flights)
  • 3–6 PM52%(31 flights)
On-time trend by month
70%
Apr

Nov 73% → Apr 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202573%22
December 202541%27
January 202642%26
February 202654%26
March 202670%27
April 202670%23
Departures on time
61%
Diverted
0%
Flights flown
156
Months covered
7

Same route, other flights

Keep nerding

Based on 159 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.