Robert Gray AAF in May 2024

65.4%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 May 2024, reporting carriers scheduled 153 domestic departures from Robert Gray AAF (GRK). 65.4% left less than 15 minutes late and 65.4% reached their destination on time; 3.3% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so GRK departures were 8.0 points below the national departure figure.

Flights arriving at GRK that month were on time 53.9% of the time (154 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 48%, late-arriving aircraft 29% and national aviation system 12%.

On time 65.4%
Arrived 15+ minutes late 31.4%
Cancelled 3.3%
Diverted 0.0%

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

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

Measure	May 2024	Year earlier	GRK, 12 months to Jul 2026	All reported flights, May 2024
Departed on time	65.4%	—	78.7%	73.4%
Arrived on time	65.4%	—	77.2%	72.3%
Cancelled	3.3%	—	4.5%	1.4%
Average departure delay (late minutes only)	30.7 min	—	14.8 min	20.8 min
Scheduled departures a day	5	—	5	20,325
Scheduled departures	153	—	1,907	609,743

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	112	73%	63.4%	28.3 min	3.6%
OO SkyWest Airlines	41	27%	70.7%	20.9 min	2.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRK–DFW	Killeen to Dallas/Fort Worth	153	65.4%	26.3 min	3.3%

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), May 2024.

Delay causes

BTS cause category	Share of delay minutes	National, May 2024	Minutes
Air carrier	10.6%	29.8%	491
Late-arriving aircraft	29.3%	43.0%	1,351
National Aviation System	11.7%	20.1%	540
Extreme weather	48.4%	7.0%	2,236
Security	0.0%	0.1%	0

4,618 delay minutes on 48 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 May 2024?

65.4% of 153 scheduled domestic departures left less than 15 minutes late, and 65.4% reached their destination on time. The national figures that month were 73.4% and 72.3%.

How does that compare with a year earlier?

May 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 May 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.