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Flight Reliability

B6 579 · JetBlue Airways

Washington → Fort Lauderdale (DCA–FLL)

73
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
7 min
Average arrival delay
2.5%
Cancelled
5 min early
Median arrival delay

Based on 363 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

B6 579 departing between 9 AM–12 PM arrived on time 79% of the time, versus 64% between 12–3 PM.

Tuesday is the weak spot.

B6 579 arrived on time 85% of the time on Wednesdays. On Tuesdays: 74%.

Better than the DCA–FLL route average.

B6 579 arrived on time 78% of the time, versus 69% across the DCA–FLL route.

A bit ahead of the JetBlue Airways network.

B6 579 arrived on time 78% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon74%(49 flights)
  • Tue74%(49 flights)
  • Wed85%(52 flights)
  • Thu80%(51 flights)
  • Fri78%(50 flights)
  • Sat80%(51 flights)
  • Sun74%(50 flights)
On-time by departure window
  • 9 AM–12 PM79%(327 flights)
  • 12–3 PM64%(25 flights)
On-time trend by month
87%
May

Jun 83% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202562%29
August 202573%30
September 202570%30
October 202577%31
November 202575%28
December 202563%30
January 202679%28
February 202689%27
March 202686%28
April 202690%30
May 202687%31
Departures on time
78%
Diverted
0.6%
Flights flown
352
Months covered
12

Same route, other flights

Keep nerding

Based on 363 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.