Best Time to Fly PHX to CVG: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Cincinnati/Northern Kentucky International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.3% of Phoenix (PHX) to Cincinnati (CVG) flights arrived on time (608 scheduled flights). That is 0.7 points above the national average of 77.6%.
Among 2 airlines, American Airlines led with 78.4% on time and Frontier Airlines was last with 77.5%.
Over 24 months, Monday was the most reliable day (81% on time) and March the worst month (68%).
The cancellation rate was 0.8% (US average 1.8%).
PHX to CVG 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 |
|---|---|---|---|---|
| American Airlines | 78.4% | 65 min | 0.4% | 475 |
| Frontier Airlines | 77.5% | 39 min | 2.4% | 123 |
| Southwest Airlines | Limited data | 10 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to CVG
On-time arrival % by scheduled departure hour (local time), 1,164 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 2 | |
| 5am–6am | Limited data | 14 | |
| 6am–7am | Limited data | 19 | |
| 7am–8am | Limited data | 4 | |
| 8am–9am | 94.3% | 0.8% | 125 |
| 9am–10am | 80.1% | 0.3% | 288 |
| 10am–11am | 83.0% | 1.1% | 89 |
| 11am–12pm | 77.5% | 0.0% | 40 |
| 12pm–1pm | Limited data | 19 | |
| 1pm–2pm | Limited data | 6 | |
| 2pm–3pm | Limited data | 11 | |
| 3pm–4pm | 69.6% | 0.0% | 184 |
| 4pm–5pm | 89.7% | 0.7% | 148 |
| 5pm–6pm | 66.7% | 1.7% | 119 |
| 6pm–7pm | 56.1% | 2.4% | 42 |
| 7pm–8pm | Limited data | 26 | |
| 10pm–11pm | Limited data | 8 | |
| 11pm–12am | Limited data | 20 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHX to CVG
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) | 80.0% | +1.2 pts | 0.0% | 30 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.7% | -2.1 pts | 1.6% | 61 |
| Summer peak (Jun 15 - Aug 15) | 79.7% | +0.9 pts | 1.3% | 150 |
| All other days | 78.8% | — | 0.7% | 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).