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Flight Reliability

B6 511 · JetBlue Airways

New York → Las Vegas (JFK–LAS)

86
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
5 min early
Average arrival delay
1.7%
Cancelled
11 min early
Median arrival delay

Based on 290 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

B6 511 arrived on time 93% of the time on Thursdays and just 76% on Sundays. That gap is worth planning around.

A bit ahead of the JFK–LAS route.

B6 511 arrived on time 86% of the time, versus 80% across the JFK–LAS route.

Better than the JetBlue Airways network average.

B6 511 arrived on time 86% of the time, versus 73% across the JetBlue Airways network.

Slipping a little lately.

B6 511 arrived on time 82% of the time over the last three months in the data, compared with 86% in the three months before that.

The breakdown

On-time by weekday
  • Mon84%(44 flights)
  • Tue80%(40 flights)
  • Wed90%(40 flights)
  • Thu93%(45 flights)
  • Fri87%(45 flights)
  • Sat92%(25 flights)
  • Sun76%(45 flights)
On-time by departure window
  • 6–9 AM87%(104 flights)
  • 9 AM–12 PM85%(180 flights)
On-time trend by month
90%
May

Jun 92% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%26
July 202589%27
August 202585%26
September 202589%26
October 202578%27
November 2025100%26
December 202579%29
January 202678%23
February 2026100%10
March 202682%22
April 202674%23
May 202690%19
Departures on time
89%
Diverted
0.3%
Flights flown
284
Months covered
12

Same route, other flights

Keep nerding

Based on 290 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.