DL510

DL510 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Las Vegas to New York. Of 643 departures recorded from October 2024 to July 2026, 94.9% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January2731▲ 14.8%
February28280.0%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)208212▲ 1.9%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January96.3%90.0%▼ 6.5%
February96.3%96.0%▼ 0.3%
March93.6%96.8%▲ 3.4%
April96.7%96.7%0.0%
May96.8%96.8%0.0%
June93.1%96.7%▲ 3.8%
July96.7%96.4%▼ 0.2%
August96.8%––
September96.7%––
October100.0%–in progress
November100.0%––
December71.0%––
Year-to-date average (Jan–Jul)95.6%95.6%0.0%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February13▲ 200.0%
March00–
April00–
May00–
June10▼ 100.0%
July13▲ 200.0%
August0––
September0––
October1–in progress
November0––
December0––
Year to date (Jan–Jul)37▲ 133.3%

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 98.3% 632
  • Cancelled 1.7% 11

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
LAS JFK Harry Reid International Airport – John F. Kennedy International Airport 3,609 -0.8 min 96.1% 627
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 30 30 93.3% 0
December 2024 20 20 100.0% 0
January 2025 27 27 96.3% 0
February 2025 28 27 96.3% 1
March 2025 31 31 93.6% 0
April 2025 30 30 96.7% 0
May 2025 31 31 96.8% 0
June 2025 30 29 93.1% 1
July 2025 31 30 96.7% 1
August 2025 31 31 96.8% 0
September 2025 30 30 96.7% 0
October 2025 31 30 100.0% 1
November 2025 30 30 100.0% 0
December 2025 31 31 71.0% 0
January 2026 31 30 90.0% 1
February 2026 28 25 96.0% 3
March 2026 31 31 96.8% 0
April 2026 30 30 96.7% 0
May 2026 31 31 96.8% 0
June 2026 30 30 96.7% 0
July 2026 31 28 96.4% 3

How to read this chart

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