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Flight Reliability

B6 520 · JetBlue Airways

Atlanta → New York (ATL–JFK)

20
Bring Snacks
WanderNerd Reliability Score
59%
Arrive within 15 minutes
49 min
Average arrival delay
6.8%
Cancelled
2 min
Median arrival delay

Based on 219 historical flights. Data through May 2026.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 62% of the time, against 57% between 3–6 PM.

Friday is doing you no favors.

B6 520 arrived on time 69% of the time on Mondays and just 50% on Fridays. That gap is worth planning around.

Well behind the ATL–JFK route.

B6 520 arrived on time 59% of the time, versus 74% across the ATL–JFK route.

Lagging the JetBlue Airways network.

B6 520 arrived on time 59% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon69%(32 flights)
  • Tue61%(31 flights)
  • Wed65%(31 flights)
  • Thu55%(29 flights)
  • Fri50%(30 flights)
  • Sat60%(20 flights)
  • Sun52%(31 flights)
On-time by departure window
  • 3–6 PM57%(141 flights)
  • 6–9 PM62%(63 flights)
On-time trend by month
27%
May

Jun 46% → May 27% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%26
July 202529%24
August 202573%30
September 202576%29
October 202567%30
November 202571%24
December 202565%26
May 202627%11
Departures on time
57%
Diverted
0%
Flights flown
204
Months covered
9

Same route, other flights

Keep nerding

Based on 219 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.