Best Time to Fly SLC to CMH: On-Time Stats by Hour & Airline
Salt Lake City International → John Glenn Columbus International
Data through July 2026 · Last updated October 18, 2026
363 flights were scheduled from Salt Lake City (SLC) to Columbus (CMH) in the last 12 months, and 79.4% of those that flew arrived on time, 1.8 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, Saturday was the most reliable day (86% on time) and July the worst month (68%).
The cancellation rate was 0.6% (US average 1.8%).
SLC to CMH 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 | 79.4% | 76 min | 0.6% | 363 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to CMH
On-time arrival % by scheduled departure hour (local time), 728 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 1 | |
| 3pm–4pm | Limited data | 7 | |
| 5pm–6pm | 80.4% | 0.3% | 687 |
| 6pm–7pm | 69.7% | 0.0% | 33 |
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 CMH
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 | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 29 | ||
| Summer peak (Jun 15 - Aug 15) | 69.1% | -13.2 pts | 0.8% | 124 |
| All other days | 82.3% | — | 0.2% | 561 |
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).