Best Time to Fly CLE to SLC: On-Time Stats by Hour & Airline
Cleveland-Hopkins International → Salt Lake City International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.0% of Cleveland (CLE) to Salt Lake City (SLC) flights arrived on time (223 scheduled flights). That is 3.4 points above the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
July has been the best month (94% on time) and Thursday the weakest day of the week (69%).
0.9% of flights were cancelled, versus 1.8% nationally.
CLE to SLC 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 | 81.0% | 80 min | 0.9% | 223 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLE to SLC
On-time arrival % by scheduled departure hour (local time), 454 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 79.7% | 0.7% | 412 |
| 8am–9am | Limited data | 13 | |
| 2pm–3pm | Limited data | 5 | |
| 3pm–4pm | Limited data | 20 | |
| 4pm–5pm | Limited data | 1 | |
| 5pm–6pm | Limited data | 3 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLE to SLC
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) | Limited data | 10 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 29 | ||
| Summer peak (Jun 15 - Aug 15) | 84.9% | +5.0 pts | 0.0% | 53 |
| All other days | 79.9% | — | 1.1% | 362 |
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).