Best Time to Fly CMH to DFW: On-Time Stats by Hour & Airline
John Glenn Columbus International → Dallas/Fort Worth International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.0% of Columbus (CMH) to Dallas/Fort Worth (DFW) flights arrived on time (1,728 scheduled flights). That is 2.4 points above the national average of 77.6%.
Among 2 airlines, Envoy Air led with 86.5% on time and American Airlines was last with 78.5%.
Over 24 months, Tuesday was the most reliable day (85% on time) and June the worst month (71%).
The cancellation rate was 2.3% (US average 1.8%).
CMH to DFW 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 |
|---|---|---|---|---|
| Envoy Air | 86.5% | 68 min | 0.0% | 312 |
| American Airlines | 78.5% | 114 min | 2.8% | 1,412 |
| Delta Air Lines | Limited data | 1 | ||
| PSA Airlines | Limited data | 3 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CMH to DFW
On-time arrival % by scheduled departure hour (local time), 3,541 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 89.8% | 1.6% | 611 |
| 6am–7am | 81.8% | 4.3% | 70 |
| 7am–8am | 85.0% | 1.6% | 607 |
| 8am–9am | 84.2% | 0.0% | 101 |
| 9am–10am | 74.4% | 7.1% | 42 |
| 10am–11am | Limited data | 2 | |
| 11am–12pm | 83.2% | 1.3% | 672 |
| 12pm–1pm | Limited data | 12 | |
| 1pm–2pm | 82.3% | 10.5% | 38 |
| 2pm–3pm | 71.2% | 1.3% | 226 |
| 3pm–4pm | 74.6% | 2.1% | 377 |
| 4pm–5pm | 78.0% | 2.3% | 172 |
| 5pm–6pm | 82.6% | 2.0% | 147 |
| 6pm–7pm | Limited data | 31 | |
| 7pm–8pm | 61.0% | 4.7% | 404 |
| 8pm–9pm | Limited data | 29 | |
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 DFW
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) | 78.6% | -2.2 pts | 1.4% | 71 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.0% | -5.7 pts | 1.4% | 143 |
| Summer peak (Jun 15 - Aug 15) | 77.9% | -2.8 pts | 2.1% | 625 |
| All other days | 80.7% | — | 2.3% | 2,702 |
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).