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Route · DTW → SLC · 2020–2025 BTS data

Detroit to Salt Lake City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DTW to SLC (Detroit to Salt Lake City) ranks #1301 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.2%
On-time
+8.2 pts
vs US avg
60 min
Delay when late
9,201
Flights
#1301 of 4927
Corpus placement

Cancelled

0.3%

Best Month

Sep 2024 94%

Worst Month

Dec 2025 56%

Distance

1,481 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 124 55 0 0 DL
Nov 2025 119 10 0 0 DL
Oct 2025 124 9 0 0 DL
Sep 2025 123 9 0 0 DL,NK
Aug 2025 149 23 0 0 NK,DL
Jul 2025 167 30 1 0 DL,NK
Jun 2025 151 27 0 0 NK,DL
May 2025 124 18 0 1 DL
Apr 2025 120 17 0 0 DL
Mar 2025 122 14 0 0 DL
Feb 2025 108 26 0 0 DL
Jan 2025 120 18 0 0 DL
Dec 2024 124 21 0 0 DL
Nov 2024 119 12 0 0 DL
Oct 2024 124 8 0 0 DL
Sep 2024 123 7 0 0 DL
Aug 2024 142 35 0 0 DL
Jul 2024 148 34 6 0 DL
Jun 2024 144 29 0 0 DL
May 2024 124 24 0 0 DL
Apr 2024 120 10 0 0 DL
Mar 2024 124 8 0 1 DL
Feb 2024 110 10 0 0 DL
Jan 2024 119 25 1 0 DL

DTW–SLC seasonal on-time pattern

Best: September (92.7%) · weakest: December (78.3%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 78.3%

Strongest calendar month

September

92.7% on-time · ~128 flights/mo

Busiest calendar month

July

~146 flights/mo avg

Weakest calendar month

December

78.3% on-time · ~127 flights/mo

Cancellation Rate

0.3%

8 of 3,072 flights

Diversion Rate

0.1%

2 of 3,072 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

DTW - Detroit

Full on-time, delay-cause, and seasonal performance for Detroit, MI.

DTW on-time profile

SLC - Salt Lake City

Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.

SLC on-time profile

Compare the two airports

See DTW and SLC side by side on delays, cancellations, and reliability.

Compare DTW vs SLC

Origin-hub reliability standing

Among DTW's stronger departures

DTW → SLC posts a 87.2% on-time rate, landing in the ≥85% band with 34 of 94 BTS-tracked routes leaving Detroit. The same hub also shows 60 mid-band and 0 challenged departures · fleet-wide on-time rank #587 of 4927 (highest on-time = #1).

What the Data Says About DTW to SLC

Detroit to Salt Lake City (DTW to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.2% on-time rate across 9,201 flights, with delays that do happen averaging 60.0 minutes. The corridor runs roughly 1,481 miles and is served by 4 carriers. Over the most recent 24 months, 8 of 3,072 flights were cancelled (0.3%) and 2 diverted (0.1%).

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 56% - a 39-point swing worth factoring into travel timing.

On the multi-year calendar, DTW–SLC peaks in September at 92.7% on-time while July carries the heaviest traffic (~146 flights per month) ; the softest month is December at 78.3%, a 14.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DTW to SLC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DTW to SLC ranks #1301 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from DTW to SLC? ▼
Flights from Detroit to Salt Lake City have a 87.2% on-time rate based on 9,201 flights. The average delay is 60.0 minutes. The best recent month was Sep 2024 with 94% on-time.
What is the cancellation rate for DTW to SLC? ▼
Over the last 24 months, 0.3% of flights on this route were cancelled (8 of 3,072 flights) and 0.1% were diverted.
How far is the flight from DTW to SLC? ▼
The flight distance from Detroit (DTW) to Salt Lake City (SLC) is approximately 1,481 miles. This route is served by 4 carriers.
When is the best time to fly from DTW to SLC? ▼
The best recent month for on-time performance was Sep 2024 (94% on-time). The worst was Dec 2025 (56% on-time). Consider booking during months with historically better performance.

Airports on this route

DTW Airport

Detroit
SLC Airport

Salt Lake City
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using DTW–SLC data

DTW–SLC runs 8.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare DTW and SLC airport profiles: delay causes and top routes differ even on the same corridor. DTW airport
  • If your dates flex, September (92.7% on-time) beats December (78.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.