Robert Gray AAF in January 2025

79.6%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 January 2025, reporting carriers scheduled 152 domestic departures from Robert Gray AAF (GRK). 79.6% left less than 15 minutes late and 80.3% reached their destination on time; 3.9% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so GRK departures were level with the national departure figure.

A year earlier, in January 2024, the airport had 129 departures with 69.8% leaving on time: a change of +9.8 points, with flights up 18%.

Flights arriving at GRK that month were on time 70.4% of the time (152 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, national aviation system 28% and air carrier 12%.

On time 80.3%
Arrived 15+ minutes late 15.8%
Cancelled 3.9%
Diverted 0.0%

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

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

Measure	Jan 2025	Jan 2024	GRK, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	79.6%	69.8%	78.7%	79.3%
Arrived on time	80.3%	67.4%	77.2%	78.6%
Cancelled	3.9%	7.0%	4.5%	3.0%
Average departure delay (late minutes only)	9.7 min	20.0 min	14.8 min	14.0 min
Scheduled departures a day	5	4	5	17,992
Scheduled departures	152	129	1,907	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	103	68%	82.5%	-1.5 min	3.9%
OO SkyWest Airlines	49	32%	75.5%	2.2 min	4.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	152	80.3%	-0.3 min	3.9%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	12.3%	36.2%	185
Late-arriving aircraft	50.7%	34.7%	762
National Aviation System	27.6%	19.9%	415
Extreme weather	9.4%	9.1%	141
Security	0.0%	0.2%	0

1,503 delay minutes on 24 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 January 2025?

79.6% of 152 scheduled domestic departures left less than 15 minutes late, and 80.3% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 69.8% of 129 departures left on time and 7.0% were cancelled, against 79.6% and 3.9% in January 2025.

Provenance

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