Robert Gray AAF in June 2025

64.3%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 2025, reporting carriers scheduled 140 domestic departures from Robert Gray AAF (GRK). 64.3% left less than 15 minutes late and 63.6% reached their destination on time; 5.0% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so GRK departures were 7.1 points below the national departure figure.

A year earlier, in June 2024, the airport had 147 departures with 63.9% leaving on time: a change of +0.4 points, with flights down 5%.

Flights arriving at GRK that month were on time 63.3% of the time (139 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 61%, air carrier 25% and national aviation system 14%.

On time 63.6%
Arrived 15+ minutes late 31.4%
Cancelled 5.0%
Diverted 0.0%

Every scheduled departure from GRK in June 2025, judged by arrival at the destination.

June 2025 against a year earlier, the airport's year and the nation

Measure	Jun 2025	Jun 2024	GRK, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	64.3%	63.9%	78.7%	71.4%
Arrived on time	63.6%	63.9%	77.2%	70.3%
Cancelled	5.0%	2.0%	4.5%	1.6%
Average departure delay (late minutes only)	20.4 min	30.6 min	14.8 min	22.1 min
Scheduled departures a day	5	5	5	20,386
Scheduled departures	140	147	1,907	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	132	94%	62.9%	20.5 min	5.3%
OO SkyWest Airlines	8	6%	75.0%	-2.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	140	63.6%	19.1 min	5.0%

By scheduled departure hour

100

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	25.4%	31.6%	709
Late-arriving aircraft	60.9%	40.6%	1,700
National Aviation System	13.7%	20.9%	383
Extreme weather	0.0%	6.9%	0
Security	0.0%	0.2%	0

2,792 delay minutes on 44 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 2025?

64.3% of 140 scheduled domestic departures left less than 15 minutes late, and 63.6% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 63.9% of 147 departures left on time and 2.0% were cancelled, against 64.3% and 5.0% in June 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2025; 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.