Best Time to Fly CMH to PHX: On-Time Stats by Hour & Airline
John Glenn Columbus International → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
1,148 flights were scheduled from Columbus (CMH) to Phoenix (PHX) in the last 12 months, and 82.3% of those that flew arrived on time, 4.7 points above the US average of 77.6%.
American Airlines was the most punctual of the 2 airlines on the route at 84.2%, while Southwest Airlines trailed at 80.1%.
October has been the best month (91% on time) and Saturday the weakest day of the week (81%).
1.2% of flights were cancelled, versus 1.8% nationally.
CMH 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 |
|---|---|---|---|---|
| American Airlines | 84.2% | 155 min | 1.5% | 615 |
| Southwest Airlines | 80.1% | 55 min | 0.9% | 533 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CMH to PHX
On-time arrival % by scheduled departure hour (local time), 2,277 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.1% | 0.4% | 247 |
| 6am–7am | 94.0% | 0.5% | 184 |
| 7am–8am | 89.5% | 1.5% | 599 |
| 8am–9am | 86.7% | 1.7% | 176 |
| 9am–10am | 86.7% | 0.0% | 30 |
| 10am–11am | Limited data | 10 | |
| 11am–12pm | Limited data | 9 | |
| 12pm–1pm | Limited data | 5 | |
| 1pm–2pm | 83.0% | 1.7% | 60 |
| 2pm–3pm | Limited data | 16 | |
| 3pm–4pm | 75.3% | 1.1% | 90 |
| 4pm–5pm | 73.2% | 0.0% | 127 |
| 5pm–6pm | 80.5% | 0.2% | 439 |
| 6pm–7pm | 75.5% | 0.9% | 210 |
| 7pm–8pm | 64.7% | 0.0% | 34 |
| 8pm–9pm | 60.0% | 2.8% | 36 |
| 9pm–10pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CMH 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) | 76.9% | -8.9 pts | 0.0% | 52 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.3% | -7.5 pts | 0.9% | 107 |
| Summer peak (Jun 15 - Aug 15) | 82.5% | -3.4 pts | 0.8% | 386 |
| All other days | 85.8% | — | 0.9% | 1,732 |
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).