Best Time to Fly DFW to GRK: On-Time Stats by Hour & Airline
Dallas/Fort Worth International → Robert Gray AAF
Data through July 2026 · Last updated October 18, 2026
1,908 flights were scheduled from Dallas/Fort Worth (DFW) to Killeen (GRK) in the last 12 months, and 78.6% of those that flew arrived on time, 1.0 points above the US average of 77.6%.
Among 2 airlines, Envoy Air led with 80.0% on time and SkyWest Airlines was last with 75.7%.
Over 24 months, Tuesday was the most reliable day (84% on time) and June the worst month (69%).
The cancellation rate was 4.3% (US average 1.8%).
DFW to GRK 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 | 80.0% | 57 min | 4.0% | 1,308 |
| SkyWest Airlines | 75.7% | 102 min | 5.0% | 600 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DFW to GRK
On-time arrival % by scheduled departure hour (local time), 3,734 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 87.1% | 3.1% | 521 |
| 9am–10am | 85.1% | 3.2% | 187 |
| 10am–11am | 76.6% | 2.9% | 239 |
| 11am–12pm | 76.3% | 3.6% | 445 |
| 1pm–2pm | 76.0% | 3.0% | 99 |
| 2pm–3pm | 82.6% | 2.7% | 183 |
| 3pm–4pm | 69.7% | 4.3% | 255 |
| 4pm–5pm | 73.3% | 5.3% | 340 |
| 5pm–6pm | 83.3% | 8.9% | 158 |
| 6pm–7pm | 66.5% | 3.2% | 157 |
| 7pm–8pm | 71.5% | 1.7% | 239 |
| 8pm–9pm | 76.7% | 1.1% | 191 |
| 9pm–10pm | 80.7% | 3.9% | 312 |
| 10pm–11pm | 77.2% | 3.2% | 408 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DFW to GRK
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) | 79.2% | +0.6 pts | 0.0% | 77 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.8% | -4.8 pts | 2.0% | 153 |
| Summer peak (Jun 15 - Aug 15) | 75.7% | -2.9 pts | 2.2% | 636 |
| All other days | 78.6% | — | 4.0% | 2,868 |
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).