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Flight Reliability

DL 546 · Delta Air Lines

Phoenix → New York (PHX–JFK)

88
Pretty Reliable
WanderNerd Reliability Score
93%
Arrive within 15 minutes
5 min early
Average arrival delay
3.3%
Cancelled
17 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 3–6 AM arrived on time 98% of the time, against 92% between 6–9 AM.

Saturday comes out ahead.

A small edge: 96% on time on Saturdays against 90% on Tuesdays.

Better than the PHX–JFK route average.

DL 546 arrived on time 93% of the time, versus 80% across the PHX–JFK route.

Better than the Delta Air Lines network average.

DL 546 arrived on time 93% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon92%(49 flights)
  • Tue90%(52 flights)
  • Wed94%(49 flights)
  • Thu94%(51 flights)
  • Fri92%(51 flights)
  • Sat96%(51 flights)
  • Sun92%(50 flights)
On-time by departure window
  • 3–6 AM98%(48 flights)
  • 6–9 AM92%(305 flights)
On-time trend by month
97%
May

Jun 87% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202593%30
August 2025100%30
September 202590%30
October 202593%30
November 202597%30
December 202589%28
January 202690%30
February 202696%26
March 202683%29
April 2026100%30
May 202697%30
Departures on time
94%
Diverted
0%
Flights flown
353
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.