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WanderNerd

Flight Reliability

B6 1497 · JetBlue Airways

New York → Denver (JFKDEN)

84
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
3 min
Average arrival delay
1.3%
Cancelled
1 min early
Median arrival delay

Based on 158 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

B6 1497 departing between 9 AM–12 PM arrived on time 91% of the time, versus 79% between 6–9 AM.

Sunday scaries are real for this one.

B6 1497 arrived on time 87% of the time on Fridays and just 68% on Sundays. That gap is worth planning around.

Better than the JFK–DEN route average.

B6 1497 arrived on time 81% of the time, versus 71% across the JFK–DEN route.

Better than the JetBlue Airways network average.

B6 1497 arrived on time 81% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon76%(21 flights)
  • Tue86%(22 flights)
  • Wed86%(22 flights)
  • Thu78%(23 flights)
  • Fri87%(23 flights)
  • Sat83%(23 flights)
  • Sun68%(22 flights)
On-time by departure window
  • 6–9 AM79%(135 flights)
  • 9 AM–12 PM91%(21 flights)
On-time trend by month
90%
May

Jun 80% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202573%30
August 202571%31
September 202597%30
October 202580%25
May 202690%10
Departures on time
92%
Diverted
0%
Flights flown
156
Months covered
6

Based on 158 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.