Robert Gray AAF in April 2024

78.9%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 April 2024, reporting carriers scheduled 147 domestic departures from Robert Gray AAF (GRK). 78.9% left less than 15 minutes late and 75.5% reached their destination on time; 4.1% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so GRK departures were 1.6 points below the national departure figure.

Flights arriving at GRK that month were on time 76.9% of the time (147 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 44%, air carrier 30% and late-arriving aircraft 15%.

On time 75.5%
Arrived 15+ minutes late 19.7%
Cancelled 4.1%
Diverted 0.7%

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

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

Measure	Apr 2024	Year earlier	GRK, 12 months to Jul 2026	All reported flights, Apr 2024
Departed on time	78.9%	—	78.7%	80.5%
Arrived on time	75.5%	—	77.2%	80.2%
Cancelled	4.1%	—	4.5%	0.7%
Average departure delay (late minutes only)	27.6 min	—	14.8 min	14.2 min
Scheduled departures a day	5	—	5	19,406
Scheduled departures	147	—	1,907	582,185

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	84	57%	71.4%	33.5 min	4.8%
MQ Envoy Air	63	43%	81.0%	3.3 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	147	75.5%	20.6 min	4.1%

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), April 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2024	Minutes
Air carrier	29.5%	33.6%	1,182
Late-arriving aircraft	14.8%	41.0%	595
National Aviation System	11.8%	20.0%	474
Extreme weather	43.8%	5.1%	1,756
Security	0.0%	0.2%	0

4,007 delay minutes on 29 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 April 2024?

78.9% of 147 scheduled domestic departures left less than 15 minutes late, and 75.5% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 2023 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 April 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.