Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 607 · Delta Air Lines

New York → Las Vegas (JFK–LAS)93% of its flights flew this route. The rest (TUL–ATL) are included in these numbers.

86
Pretty Reliable
WanderNerd Reliability Score
88%
Arrive within 15 minutes
5 min early
Average arrival delay
2.5%
Cancelled
11 min early
Median arrival delay

Based on 236 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

DL 607 departing between 3–6 AM arrived on time 100% of the time, versus 88% between 6–9 AM.

Friday comes out ahead.

A small edge: 91% on time on Fridays against 84% on Saturdays.

Better than the JFK–LAS route average.

DL 607 arrived on time 88% of the time, versus 80% across the JFK–LAS route.

Better than the Delta Air Lines network average.

DL 607 arrived on time 88% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon91%(32 flights)
  • Tue85%(33 flights)
  • Wed91%(33 flights)
  • Thu88%(33 flights)
  • Fri91%(34 flights)
  • Sat84%(32 flights)
  • Sun88%(33 flights)
On-time by departure window
  • 3–6 AM100%(13 flights)
  • 6–9 AM88%(217 flights)
On-time trend by month
75%
May

Jun 91% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%23
July 202587%31
August 202594%31
September 202593%30
October 202587%31
November 202597%29
December 202578%27
May 202675%24
Departures on time
94%
Diverted
0%
Flights flown
230
Months covered
9

Same route, other flights

Keep nerding

Based on 236 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.