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Flight Reliability

DL 2582 · Delta Air Lines

Burbank → Salt Lake City (BUR–SLC)85% of its flights flew this route. The rest (DTW–PHL, PHL–DTW) are included in these numbers.

97
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
1 min early
Average arrival delay
0.3%
Cancelled
15 min early
Median arrival delay

Based on 370 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

DL 2582 departing between 6–9 AM arrived on time 93% of the time, versus 47% between 9 PM–12 AM.

Friday comes out ahead.

A small edge: 93% on time on Fridays against 87% on Thursdays.

Better than the Delta Air Lines network average.

DL 2582 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.

It basically never cancels.

Out of 370 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon89%(55 flights)
  • Tue90%(51 flights)
  • Wed90%(51 flights)
  • Thu87%(55 flights)
  • Fri93%(54 flights)
  • Sat90%(49 flights)
  • Sun93%(54 flights)
On-time by departure window
  • 6–9 AM93%(313 flights)
  • 3–6 PM86%(21 flights)
  • 6–9 PM85%(20 flights)
  • 9 PM–12 AM47%(15 flights)
On-time trend by month
97%
May

Jun 93% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 2025100%30
August 202584%31
September 202593%30
October 202587%23
November 202589%28
December 202577%30
January 202694%31
February 202693%28
March 202694%31
April 202683%42
May 202697%35
Departures on time
91%
Diverted
0%
Flights flown
369
Months covered
12

Same route, other flights

Keep nerding

Based on 370 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.