Robert Gray AAF in September 2023

79.3%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 September 2023, reporting carriers scheduled 140 domestic departures from Robert Gray AAF (GRK). 79.3% left less than 15 minutes late and 76.4% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so GRK departures were 1.2 points below the national departure figure.

Flights arriving at GRK that month were on time 81.4% of the time (140 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, national aviation system 30% and air carrier 14%.

On time 76.4%
Arrived 15+ minutes late 23.6%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Sep 2023	Year earlier	GRK, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	79.3%	—	78.7%	80.5%
Arrived on time	76.4%	—	77.2%	80.1%
Cancelled	0.0%	—	4.5%	1.2%
Average departure delay (late minutes only)	13.2 min	—	14.8 min	14.1 min
Scheduled departures a day	5	—	5	18,978
Scheduled departures	140	—	1,907	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	92	66%	75.0%	8.9 min	0.0%
OO SkyWest Airlines	48	34%	79.2%	0.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	140	76.4%	6.0 min	0.0%

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), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	13.6%	36.4%	270
Late-arriving aircraft	46.0%	38.3%	913
National Aviation System	30.4%	19.9%	603
Extreme weather	10.0%	5.1%	199
Security	0.0%	0.2%	0

1,985 delay minutes on 33 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 September 2023?

79.3% of 140 scheduled domestic departures left less than 15 minutes late, and 76.4% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 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 September 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.