Robert Gray AAF in September 2024

81.2%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 2024, reporting carriers scheduled 149 domestic departures from Robert Gray AAF (GRK). 81.2% left less than 15 minutes late and 77.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so GRK departures were 3.2 points below the national departure figure.

A year earlier, in September 2023, the airport had 140 departures with 79.3% leaving on time: a change of +1.9 points, with flights up 6%.

Flights arriving at GRK that month were on time 78.5% of the time (149 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 47%, late-arriving aircraft 42% and national aviation system 10%.

On time 77.2%
Arrived 15+ minutes late 22.8%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from GRK in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	GRK, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	81.2%	79.3%	78.7%	84.4%
Arrived on time	77.2%	76.4%	77.2%	83.9%
Cancelled	0.0%	0.0%	4.5%	0.6%
Average departure delay (late minutes only)	12.9 min	13.2 min	14.8 min	10.6 min
Scheduled departures a day	5	5	5	19,421
Scheduled departures	149	140	1,907	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	126	85%	76.2%	7.6 min	0.0%
OO SkyWest Airlines	23	15%	82.6%	3.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	149	77.2%	7.1 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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	47.2%	38.6%	868
Late-arriving aircraft	41.5%	38.4%	764
National Aviation System	10.2%	18.2%	187
Extreme weather	1.1%	4.8%	20
Security	0.0%	0.1%	0

1,839 delay minutes on 34 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 2024?

81.2% of 149 scheduled domestic departures left less than 15 minutes late, and 77.2% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 79.3% of 140 departures left on time and 0.0% were cancelled, against 81.2% and 0.0% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.