Best Time to Fly CLT to SLC: On-Time Stats by Hour & Airline
Charlotte Douglas International → Salt Lake City International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.2% of Charlotte (CLT) to Salt Lake City (SLC) flights arrived on time (921 scheduled flights). That is 4.6 points above the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 85.0%, while American Airlines trailed at 80.3%.
January has been the best month (88% on time) and Sunday the weakest day of the week (72%).
1.1% of flights were cancelled, versus 1.8% nationally.
CLT 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 | 85.0% | 77 min | 1.4% | 365 |
| American Airlines | 80.3% | 59 min | 0.9% | 556 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLT to SLC
On-time arrival % by scheduled departure hour (local time), 1,801 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 1 | |
| 8am–9am | 80.8% | 0.0% | 47 |
| 9am–10am | 85.4% | 1.9% | 210 |
| 10am–11am | 82.2% | 0.0% | 73 |
| 11am–12pm | 87.5% | 0.9% | 106 |
| 12pm–1pm | 73.8% | 0.0% | 42 |
| 1pm–2pm | 84.4% | 0.0% | 32 |
| 3pm–4pm | Limited data | 1 | |
| 5pm–6pm | 84.0% | 1.6% | 551 |
| 6pm–7pm | 80.2% | 0.6% | 358 |
| 7pm–8pm | 71.8% | 0.0% | 209 |
| 8pm–9pm | 64.9% | 1.8% | 171 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLT 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 | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 68.6% | -13.2 pts | 0.0% | 86 |
| Summer peak (Jun 15 - Aug 15) | 75.9% | -5.9 pts | 2.0% | 357 |
| All other days | 81.8% | — | 0.9% | 1,330 |
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).