Robert Gray AAF in January 2026

71.0%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 2026, reporting carriers scheduled 145 domestic departures from Robert Gray AAF (GRK). 71.0% left less than 15 minutes late and 70.3% reached their destination on time; 18.6% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so GRK departures were 4.6 points below the national departure figure.

A year earlier, in January 2025, the airport had 152 departures with 79.6% leaving on time: a change of −8.6 points, with flights down 5%.

Flights arriving at GRK that month were on time 66.2% of the time (145 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 71%, late-arriving aircraft 26% and national aviation system 2%.

On time 70.3%
Arrived 15+ minutes late 11.0%
Cancelled 18.6%
Diverted 0.0%

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

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

Measure	Jan 2026	Jan 2025	GRK, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	71.0%	79.6%	78.7%	75.6%
Arrived on time	70.3%	80.3%	77.2%	75.3%
Cancelled	18.6%	3.9%	4.5%	4.7%
Average departure delay (late minutes only)	10.8 min	9.7 min	14.8 min	16.7 min
Scheduled departures a day	5	5	5	18,133
Scheduled departures	145	152	1,907	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	77	53%	76.6%	0.9 min	13.0%
MQ Envoy Air	68	47%	63.2%	-4.1 min	25.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	145	70.3%	-1.3 min	18.6%

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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	70.8%	37.3%	775
Late-arriving aircraft	25.6%	35.0%	280
National Aviation System	2.3%	18.0%	25
Extreme weather	1.3%	9.6%	14
Security	0.0%	0.1%	0

1,094 delay minutes on 16 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 2026?

71.0% of 145 scheduled domestic departures left less than 15 minutes late, and 70.3% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 79.6% of 152 departures left on time and 3.9% were cancelled, against 71.0% and 18.6% in January 2026.

Provenance

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