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Flight Reliability

DL 1496 · Delta Air Lines

Salt Lake City → Phoenix (SLC–PHX)

92
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
2 min early
Average arrival delay
0.6%
Cancelled
10 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 1496 departing between 6–9 PM arrived on time 95% of the time, versus 86% between 9 PM–12 AM.

Sunday scaries are real for this one.

DL 1496 arrived on time 90% of the time on Tuesdays. On Sundays: 79%.

A bit ahead of the Delta Air Lines network.

DL 1496 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 1496 arrived on time 92% of the time over the last three months in the data, compared with 82% in the three months before that.

The breakdown

On-time by weekday
  • Mon87%(52 flights)
  • Tue90%(52 flights)
  • Wed87%(52 flights)
  • Thu84%(50 flights)
  • Fri90%(52 flights)
  • Sat89%(47 flights)
  • Sun79%(52 flights)
On-time by departure window
  • 6–9 PM95%(20 flights)
  • 9 PM–12 AM86%(337 flights)
On-time trend by month
100%
May

Jun 87% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202563%30
August 202590%31
September 202593%30
October 202590%31
November 202593%29
December 202587%30
January 202677%31
February 202682%28
March 202686%28
April 202689%28
May 2026100%31
Departures on time
85%
Diverted
0%
Flights flown
357
Months covered
12

Same route, other flights

Keep nerding

Based on 359 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.