Route
DTW → SLC
Detroit Metropolitan Wayne County Airport Salt Lake City International Airport
1,481 miles
Return route SLC → DTW →
How punctual is this route?
- On-time arrivals
- 79.6%
- Less than 15 minutes late
- Cancelled
- 0.1%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,535
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 58%
- Late-arriving aircraft 19%
- Air traffic control & airport 19%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.7% | 123 |
| October 2025 | 92.7% | 124 |
| November 2025 | 91.6% | 119 |
| December 2025 | 55.6% | 124 |
| January 2026 | 65.5% | 119 |
| February 2026 | 79.4% | 108 |
| March 2026 | 68.3% | 123 |
| April 2026 | 85.1% | 121 |
| May 2026 | 86.4% | 148 |
| June 2026 | 78.5% | 149 |
| July 2026 | 75.5% | 151 |
| August 2026 | 83.3% | 126 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 1,533 | 79.6% | 0.1% | 67 min |
| NK | 2 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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