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Route Reliability

Detroit → Salt Lake City

DTW–SLC · 1,481 miles · Detroit Metropolitan Wayne County Airport to Salt Lake City International Airport

89
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
5 min
Average arrival delay
0.2%
Cancelled
1,576
Flights in the data

Data through May 2026.

Airlines on this route

  • Delta Air Lines81% on time · 1,540 flights
  • Spirit Airlines97% on time · 36 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

DTW–SLC flights departing between 9 AM–12 PM arrived on time 100% of the time, versus 67% between 6–9 PM.

Tuesday comes out ahead.

A small edge: 85% on time on Tuesdays against 79% on Sundays.

It basically never cancels.

Out of 1,576 scheduled flights, only 0.2% were cancelled.

Trending in the right direction.

DTW–SLC flights arrived on time 80% of the time over the last three months in the data, compared with 67% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon81%(231 flights)
  • Tue85%(219 flights)
  • Wed81%(233 flights)
  • Thu81%(220 flights)
  • Fri82%(234 flights)
  • Sat81%(211 flights)
  • Sun79%(225 flights)
On-time by departure window
  • 6–9 AM91%(440 flights)
  • 9 AM–12 PM100%(27 flights)
  • 12–3 PM89%(365 flights)
  • 3–6 PM76%(344 flights)
  • 6–9 PM67%(389 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
86%
May

Jun 83% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%151
July 202583%166
August 202587%149
September 202593%123
October 202594%124
November 202592%119
December 202557%124
January 202666%119
February 202679%107
March 202669%123
April 202685%121
May 202686%147

Keep nerding

Based on 1,576 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.