Killeen Regional Airport / Robert Gray Army Airfield (GRK): Delays & On-Time Performance
Data through May 2026
Killeen Regional Airport / Robert Gray Army Airfield (GRK) is a tale of two seasons: departures ran 88% on-time in October 2024 but sank to 65% in June 2024. Across the year it averages 81% against a national 78%, over roughly 5 departures a day to 1 destinations.
- Departures on-time
- 81%
- left <15 min late
- Avg dep delay
- 14 min
- Arrivals on-time
- 77%
- Cancelled
- 3.4%
- Destinations
- 1
- nonstop
- Airlines
- 2
Monthly on-time trend
Best time of day to depart from GRK
Busiest routes from GRK
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| GRK → DFW | 1,821 | 79% | 15 min |
Airline performance at GRK
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| SkyWest Airlines | 82% | 15 min | 1,096 |
| Envoy Air | 80% | 14 min | 2,595 |
Frequently asked questions
- How often are flights delayed at GRK?
- 19% of departures from Killeen Regional Airport / Robert Gray Army Airfield left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 14 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from GRK?
- Flights scheduled around 5 a.m. depart on time 93% of the time at GRK, versus 66% around 4 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at GRK?
- In this dataset, June 2024 was the weakest month at GRK, with 65% of departures on time.
- How often are flights cancelled at GRK?
- 3.4% of scheduled departures from GRK were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Based on 3,691 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.