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Flight Reliability

DL 951 · Delta Air Lines

Los Angeles → New York (LAX–JFK)95% of its flights flew this route. The rest (MYR–ATL) are included in these numbers.

63
A Little Dicey
WanderNerd Reliability Score
70%
Arrive within 15 minutes
19 min
Average arrival delay
2.0%
Cancelled
6 min early
Median arrival delay

Based on 349 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

DL 951 departing between 3–6 PM arrived on time 81% of the time, versus 70% between 9 AM–12 PM.

Monday is the weak spot.

DL 951 arrived on time 77% of the time on Tuesdays. On Mondays: 62%.

Lagging the LAX–JFK route.

DL 951 arrived on time 70% of the time, versus 79% across the LAX–JFK route.

Lagging the Delta Air Lines network.

DL 951 arrived on time 70% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon62%(50 flights)
  • Tue77%(52 flights)
  • Wed73%(51 flights)
  • Thu67%(52 flights)
  • Fri77%(51 flights)
  • Sat69%(35 flights)
  • Sun67%(49 flights)
On-time by departure window
  • 9 AM–12 PM70%(322 flights)
  • 12–3 PM—(2 flights)
  • 3–6 PM81%(16 flights)
On-time trend by month
76%
May

Jun 45% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202545%29
July 202558%31
August 202565%31
September 202577%30
October 202584%31
November 202579%29
December 202580%30
January 202658%26
February 202664%22
March 202673%30
April 202685%26
May 202676%25
Departures on time
67%
Diverted
0.6%
Flights flown
340
Months covered
12

Same route, other flights

Keep nerding

Based on 349 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.