Robert Gray AAF in June 2026

71.7%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In June 2026, reporting carriers scheduled 180 domestic departures from Robert Gray AAF (GRK). 71.7% left less than 15 minutes late and 74.4% reached their destination on time; 6.1% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so GRK departures were 0.5 points below the national departure figure.

A year earlier, in June 2025, the airport had 140 departures with 64.3% leaving on time: a change of +7.4 points, with flights up 29%.

Flights arriving at GRK that month were on time 66.1% of the time (180 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 55%, extreme weather 24% and air carrier 16%.

On time 74.4%
Arrived 15+ minutes late 19.4%
Cancelled 6.1%
Diverted 0.0%

Every scheduled departure from GRK in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	GRK, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	71.7%	64.3%	78.7%	72.2%
Arrived on time	74.4%	63.6%	77.2%	72.8%
Cancelled	6.1%	5.0%	4.5%	1.6%
Average departure delay (late minutes only)	25.6 min	20.4 min	14.8 min	20.6 min
Scheduled departures a day	6	5	5	20,253
Scheduled departures	180	140	1,907	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	171	95%	76.6%	9.1 min	6.4%
OO SkyWest Airlines	9	5%	33.3%	137.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	180	74.4%	16.0 min	6.1%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	15.5%	30.8%	634
Late-arriving aircraft	55.0%	42.1%	2,254
National Aviation System	5.4%	20.3%	223
Extreme weather	24.1%	6.7%	990
Security	0.0%	0.1%	0

4,101 delay minutes on 35 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left GRK on time in June 2026?

71.7% of 180 scheduled domestic departures left less than 15 minutes late, and 74.4% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 64.3% of 140 departures left on time and 5.0% were cancelled, against 71.7% and 6.1% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for GRK · methodology · corrections.