Robert Gray AAF in August 2023

90.3%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 August 2023, reporting carriers scheduled 155 domestic departures from Robert Gray AAF (GRK). 90.3% left less than 15 minutes late and 84.5% reached their destination on time; 0.6% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so GRK departures were 13.6 points above the national departure figure.

Flights arriving at GRK that month were on time 91.0% of the time (155 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 33% and national aviation system 27%.

On time 84.5%
Arrived 15+ minutes late 14.8%
Cancelled 0.6%
Diverted 0.0%

Every scheduled departure from GRK in August 2023, judged by arrival at the destination.

August 2023 against a year earlier, the airport's year and the nation

Measure	Aug 2023	Year earlier	GRK, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	90.3%	—	78.7%	76.7%
Arrived on time	84.5%	—	77.2%	76.9%
Cancelled	0.6%	—	4.5%	1.5%
Average departure delay (late minutes only)	6.0 min	—	14.8 min	17.3 min
Scheduled departures a day	5	—	5	20,100
Scheduled departures	155	—	1,907	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	113	73%	83.2%	-3.4 min	0.0%
OO SkyWest Airlines	42	27%	88.1%	-9.0 min	2.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	155	84.5%	-4.9 min	0.6%

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), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	32.8%	36.7%	326
Late-arriving aircraft	38.2%	42.2%	380
National Aviation System	26.7%	15.7%	265
Extreme weather	0.0%	5.1%	0
Security	2.3%	0.2%	23

994 delay minutes on 23 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 August 2023?

90.3% of 155 scheduled domestic departures left less than 15 minutes late, and 84.5% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; 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.