Best Time to Fly CVG to PHX: On-Time Stats by Hour & Airline
Cincinnati/Northern Kentucky International → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.1% of Cincinnati (CVG) to Phoenix (PHX) flights arrived on time (607 scheduled flights). That is 2.5 points above the national average of 77.6%.
Among 2 airlines, Frontier Airlines led with 85.8% on time and American Airlines was last with 78.6%.
Over 24 months, Friday was the most reliable day (87% on time) and December the worst month (74%).
The cancellation rate was 0.7% (US average 1.8%).
CVG to PHX 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 |
|---|---|---|---|---|
| Frontier Airlines | 85.8% | 45 min | 1.6% | 122 |
| American Airlines | 78.6% | 109 min | 0.4% | 475 |
| Southwest Airlines | Limited data | 10 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CVG to PHX
On-time arrival % by scheduled departure hour (local time), 1,163 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 12 | |
| 6am–7am | 97.9% | 2.0% | 49 |
| 7am–8am | 80.7% | 1.0% | 390 |
| 8am–9am | 79.5% | 0.0% | 122 |
| 9am–10am | Limited data | 2 | |
| 11am–12pm | Limited data | 14 | |
| 12pm–1pm | Limited data | 18 | |
| 1pm–2pm | 84.8% | 0.0% | 33 |
| 2pm–3pm | 89.3% | 0.0% | 57 |
| 3pm–4pm | 86.0% | 0.0% | 50 |
| 4pm–5pm | Limited data | 29 | |
| 5pm–6pm | 75.8% | 0.0% | 154 |
| 6pm–7pm | 79.1% | 0.0% | 189 |
| 7pm–8pm | Limited data | 13 | |
| 8pm–9pm | Limited data | 28 | |
| 9pm–10pm | 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 CVG to PHX
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) | 66.7% | -16.3 pts | 0.0% | 30 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.7% | -12.2 pts | 1.7% | 60 |
| Summer peak (Jun 15 - Aug 15) | 78.2% | -4.7 pts | 1.3% | 150 |
| All other days | 82.9% | — | 0.4% | 923 |
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).