Best Time to Fly SLC to DTW: On-Time Stats by Hour & Airline
Salt Lake City International → Detroit Metro Wayne County
Data through July 2026 · Last updated October 18, 2026
1,552 flights were scheduled from Salt Lake City (SLC) to Detroit (DTW) in the last 12 months, and 88.6% of those that flew arrived on time, 11.0 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (89% on time) and July the worst month (80%).
The cancellation rate was 0.1% (US average 1.8%).
SLC to DTW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 88.5% | 60 min | 0.1% | 1,537 |
| Spirit Airlines | Limited data | 15 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to DTW
On-time arrival % by scheduled departure hour (local time), 3,095 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 94.0% | 0.0% | 729 |
| 8am–9am | Limited data | 1 | |
| 9am–10am | 91.3% | 0.0% | 727 |
| 10am–11am | Limited data | 13 | |
| 11am–12pm | 93.5% | 3.1% | 32 |
| 12pm–1pm | Limited data | 25 | |
| 1pm–2pm | 85.2% | 0.2% | 479 |
| 2pm–3pm | 83.8% | 0.0% | 199 |
| 3pm–4pm | 85.0% | 0.0% | 40 |
| 4pm–5pm | Limited data | 1 | |
| 5pm–6pm | 78.5% | 0.0% | 187 |
| 6pm–7pm | 79.0% | 0.0% | 514 |
| 7pm–8pm | Limited data | 18 | |
| 11pm–12am | 80.6% | 0.8% | 130 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SLC to DTW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 90.4% | +1.4 pts | 0.0% | 52 |
| Christmas & New Year (Dec 20 - Jan 3) | 85.0% | -4.0 pts | 0.0% | 120 |
| Summer peak (Jun 15 - Aug 15) | 81.1% | -7.8 pts | 0.2% | 627 |
| All other days | 89.0% | — | 0.1% | 2,296 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).