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Flight Reliability

DL 510 · Delta Air Lines

Las Vegas → New York (LAS–JFK)96% of its flights flew this route. The rest (DTW–MEM) are included in these numbers.

93
Nerd Approved
WanderNerd Reliability Score
94%
Arrive within 15 minutes
13 min early
Average arrival delay
1.9%
Cancelled
18 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 510 departing between 6–9 AM arrived on time 96% of the time, versus 56% between 6–9 PM.

Skip Tuesday if you can.

DL 510 arrived on time 98% of the time on Thursdays. On Tuesdays: 88%.

Better than the LAS–JFK route average.

DL 510 arrived on time 94% of the time, versus 80% across the LAS–JFK route.

Better than the Delta Air Lines network average.

DL 510 arrived on time 94% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon94%(51 flights)
  • Tue88%(51 flights)
  • Wed94%(52 flights)
  • Thu98%(50 flights)
  • Fri96%(51 flights)
  • Sat98%(51 flights)
  • Sun90%(51 flights)
On-time by departure window
  • 6–9 AM96%(341 flights)
  • 6–9 PM56%(16 flights)
On-time trend by month
97%
May

Jun 93% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%29
July 202593%30
August 202597%31
September 202593%30
October 2025100%29
November 202593%30
December 202577%31
January 202690%30
February 202696%25
March 2026100%31
April 2026100%30
May 202697%31
Departures on time
94%
Diverted
0.3%
Flights flown
357
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.