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Flight Reliability

B6 2121 · JetBlue Airways

HPN → ACK (HPN–ACK)

92
Nerd Approved
WanderNerd Reliability Score
95%
Arrive within 15 minutes
10 min early
Average arrival delay
1.3%
Cancelled
16 min early
Median arrival delay

Based on 153 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

B6 2121 departing between 6–9 AM arrived on time 96% of the time, versus 83% between 9 AM–12 PM.

Sunday scaries are real for this one.

B6 2121 arrived on time 100% of the time on Fridays. On Sundays: 87%.

A bit ahead of the HPN–ACK route.

B6 2121 arrived on time 95% of the time, versus 90% across the HPN–ACK route.

Well ahead of the JetBlue Airways network.

B6 2121 arrived on time 95% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon95%(20 flights)
  • Tue95%(20 flights)
  • Wed95%(21 flights)
  • Thu91%(22 flights)
  • Fri100%(22 flights)
  • Sat100%(21 flights)
  • Sun87%(23 flights)
On-time by departure window
  • 6–9 AM96%(137 flights)
  • 9 AM–12 PM83%(12 flights)
On-time trend by month
82%
May

Jun 86% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202597%30
August 2025100%31
September 202597%30
October 2025100%18
May 202682%11
Departures on time
95%
Diverted
1.3%
Flights flown
149
Months covered
6

Same route, other flights

Keep nerding

Based on 153 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.