Countries › United States › Fort Cavazos › GRK Fort Cavazos Killeen Regional Airport / Robert Gray Army (GRK) GRK / KGRK
16,226
Killeen Regional Airport / Robert Gray Army Airfield handled 16,226 passengers in May 2026, down 8.1% on a year earlier, according to US Bureau of Transportation Statistics — T-100 Air Carrier Statistics .
Full count · domestic + international Flight timing & delays ↓
Passengers over time Showing 53 months. Full series runs 1991–2026 (306 periods).
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Against 2019 -40.0% same month, before the pandemic
Series depth 35 years from 1991
The most recent periods Open any period for the full breakdown. As published Newest first Oldest first Highest first Lowest first 24 of 24
Period Passengers Year on year Source May 2026 16,226 −8.1% US Bureau of Transportation Statistics Open this month → April 2026 14,028 −1.0% US Bureau of Transportation Statistics Open this month → March 2026 14,031 −11.5% US Bureau of Transportation Statistics Open this month → February 2026 11,653 −12.7% US Bureau of Transportation Statistics Open this month → January 2026 11,268 −21.1% US Bureau of Transportation Statistics Open this month → December 2025 14,709 −13.6% US Bureau of Transportation Statistics Open this month → November 2025 13,215 −26.0% US Bureau of Transportation Statistics Open this month → October 2025 15,906 −10.9% US Bureau of Transportation Statistics Open this month → September 2025 14,206 −11.0% US Bureau of Transportation Statistics Open this month → August 2025 16,150 +1.7% US Bureau of Transportation Statistics Open this month → July 2025 16,608 −0.8% US Bureau of Transportation Statistics Open this month → June 2025 17,103 +2.0% US Bureau of Transportation Statistics Open this month → May 2025 17,664 +2.9% US Bureau of Transportation Statistics Open this month → April 2025 14,176 −2.8% US Bureau of Transportation Statistics Open this month → March 2025 15,854 +14.8% US Bureau of Transportation Statistics Open this month → February 2025 13,347 +9.7% US Bureau of Transportation Statistics Open this month → January 2025 14,281 +12.5% US Bureau of Transportation Statistics Open this month → December 2024 17,033 +18.9% US Bureau of Transportation Statistics Open this month → November 2024 17,870 +23.3% US Bureau of Transportation Statistics Open this month → October 2024 17,852 +16.5% US Bureau of Transportation Statistics Open this month → September 2024 15,967 −1.0% US Bureau of Transportation Statistics Open this month → August 2024 15,876 −11.8% US Bureau of Transportation Statistics July 2024 16,737 −5.3% US Bureau of Transportation Statistics June 2024 16,765 +0.7% US Bureau of Transportation Statistics
Also tracked here: aircraft movements (through May 2026), tonnes of cargo (through May 2026).
Flight timing & delays Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.
US domestic sectors recorded by BTS Source: BTS · US Department of Transportation · 2024-09-01 → 2026-06-30
Lowest average delay 05:00–06:00 -0.3min · 521 recorded · 512 measured
Gap to highest-delay hour 19.6min 05:00 ↔ 16:00
Recorded flights 3,399 Killeen Regional Airport / Robert Gray Army Airfield
Departure hour Day of week Month of year
Departure hour On-time departures 100.0 50.0 0.0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 93.6% · 521 recorded · 512 measured · Source: BTS · US Department of Transportation 06:00 · 90.2% · 322 recorded · 315 measured · Source: BTS · US Department of Transportation 07:00 · Fewer than 200 measured departures · 204 recorded · 195 measured · Source: BTS · US Department of Transportation 08:00 · Fewer than 200 measured departures · 39 recorded · 39 measured · Source: BTS · US Department of Transportation 09:00 · Fewer than 200 measured departures · 18 recorded · 14 measured · Source: BTS · US Department of Transportation 10:00 · 85.1% · 652 recorded · 629 measured · Source: BTS · US Department of Transportation 11:00 · Fewer than 200 measured departures · 197 recorded · 188 measured · Source: BTS · US Department of Transportation 12:00 · 72.1% · 414 recorded · 398 measured · Source: BTS · US Department of Transportation 13:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: BTS · US Department of Transportation 14:00 · Fewer than 200 measured departures · 13 recorded · 12 measured · Source: BTS · US Department of Transportation 15:00 · Fewer than 200 measured departures · 124 recorded · 120 measured · Source: BTS · US Department of Transportation 16:00 · 68.7% · 267 recorded · 259 measured · Source: BTS · US Department of Transportation 17:00 · Fewer than 200 measured departures · 218 recorded · 199 measured · Source: BTS · US Department of Transportation 18:00 · Fewer than 200 measured departures · 205 recorded · 197 measured · Source: BTS · US Department of Transportation 19:00 · Fewer than 200 measured departures · 179 recorded · 162 measured · Source: BTS · US Department of Transportation 20:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: BTS · US Department of Transportation 21:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 22:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Average departure delay 19.3 9.5 -0.3
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · -0.3 min · 521 recorded · 512 measured · Source: BTS · US Department of Transportation 06:00 · 4.3 min · 322 recorded · 315 measured · Source: BTS · US Department of Transportation 07:00 · Fewer than 200 measured departures · 204 recorded · 195 measured · Source: BTS · US Department of Transportation 08:00 · Fewer than 200 measured departures · 39 recorded · 39 measured · Source: BTS · US Department of Transportation 09:00 · Fewer than 200 measured departures · 18 recorded · 14 measured · Source: BTS · US Department of Transportation 10:00 · 5.4 min · 652 recorded · 629 measured · Source: BTS · US Department of Transportation 11:00 · Fewer than 200 measured departures · 197 recorded · 188 measured · Source: BTS · US Department of Transportation 12:00 · 16.4 min · 414 recorded · 398 measured · Source: BTS · US Department of Transportation 13:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: BTS · US Department of Transportation 14:00 · Fewer than 200 measured departures · 13 recorded · 12 measured · Source: BTS · US Department of Transportation 15:00 · Fewer than 200 measured departures · 124 recorded · 120 measured · Source: BTS · US Department of Transportation 16:00 · 19.3 min · 267 recorded · 259 measured · Source: BTS · US Department of Transportation 17:00 · Fewer than 200 measured departures · 218 recorded · 199 measured · Source: BTS · US Department of Transportation 18:00 · Fewer than 200 measured departures · 205 recorded · 197 measured · Source: BTS · US Department of Transportation 19:00 · Fewer than 200 measured departures · 179 recorded · 162 measured · Source: BTS · US Department of Transportation 20:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: BTS · US Department of Transportation 21:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 22:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Recorded flights 652 326 0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 521 · 521 recorded · 512 measured · Source: BTS · US Department of Transportation 06:00 · 322 · 322 recorded · 315 measured · Source: BTS · US Department of Transportation 07:00 · 204 · 204 recorded · 195 measured · Source: BTS · US Department of Transportation 08:00 · 39 · 39 recorded · 39 measured · Source: BTS · US Department of Transportation 09:00 · 18 · 18 recorded · 14 measured · Source: BTS · US Department of Transportation 10:00 · 652 · 652 recorded · 629 measured · Source: BTS · US Department of Transportation 11:00 · 197 · 197 recorded · 188 measured · Source: BTS · US Department of Transportation 12:00 · 414 · 414 recorded · 398 measured · Source: BTS · US Department of Transportation 13:00 · 13 · 13 recorded · 13 measured · Source: BTS · US Department of Transportation 14:00 · 13 · 13 recorded · 12 measured · Source: BTS · US Department of Transportation 15:00 · 124 · 124 recorded · 120 measured · Source: BTS · US Department of Transportation 16:00 · 267 · 267 recorded · 259 measured · Source: BTS · US Department of Transportation 17:00 · 218 · 218 recorded · 199 measured · Source: BTS · US Department of Transportation 18:00 · 205 · 205 recorded · 197 measured · Source: BTS · US Department of Transportation 19:00 · 179 · 179 recorded · 162 measured · Source: BTS · US Department of Transportation 20:00 · 13 · 13 recorded · 13 measured · Source: BTS · US Department of Transportation 21:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 22:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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View the figures Departure hour On-time departures Average departure delay With departure time Recorded flights 00:00 No observations — — — 01:00 No observations — — — 02:00 No observations — — — 03:00 No observations — — — 04:00 No observations — — — 05:00 93.6% -0.3 min 512 521 06:00 90.2% 4.3 min 315 322 07:00 Fewer than 200 measured departures — 195 204 08:00 Fewer than 200 measured departures — 39 39 09:00 Fewer than 200 measured departures — 14 18 10:00 85.1% 5.4 min 629 652 11:00 Fewer than 200 measured departures — 188 197 12:00 72.1% 16.4 min 398 414 13:00 Fewer than 200 measured departures — 13 13 14:00 Fewer than 200 measured departures — 12 13 15:00 Fewer than 200 measured departures — 120 124 16:00 68.7% 19.3 min 259 267 17:00 Fewer than 200 measured departures — 199 218 18:00 Fewer than 200 measured departures — 197 205 19:00 Fewer than 200 measured departures — 162 179 20:00 Fewer than 200 measured departures — 13 13 21:00 No observations — — — 22:00 No observations — — — 23:00 No observations — — —
Day of week On-time departures 100.0 50.0 0.0
Monday · 78.3% · 502 recorded · 484 measured · Source: BTS · US Department of Transportation Tuesday · 88.6% · 484 recorded · 463 measured · Source: BTS · US Department of Transportation Wednesday · 81.2% · 463 recorded · 447 measured · Source: BTS · US Department of Transportation Thursday · 85.3% · 495 recorded · 476 measured · Source: BTS · US Department of Transportation Friday · 82.5% · 495 recorded · 485 measured · Source: BTS · US Department of Transportation Saturday · 81.5% · 464 recorded · 442 measured · Source: BTS · US Department of Transportation Sunday · 78.0% · 496 recorded · 468 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Average departure delay 12.5 6.3 0.0
Monday · 12.5 min · 502 recorded · 484 measured · Source: BTS · US Department of Transportation Tuesday · 2.3 min · 484 recorded · 463 measured · Source: BTS · US Department of Transportation Wednesday · 8.8 min · 463 recorded · 447 measured · Source: BTS · US Department of Transportation Thursday · 5.3 min · 495 recorded · 476 measured · Source: BTS · US Department of Transportation Friday · 9.4 min · 495 recorded · 485 measured · Source: BTS · US Department of Transportation Saturday · 9.8 min · 464 recorded · 442 measured · Source: BTS · US Department of Transportation Sunday · 10.6 min · 496 recorded · 468 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Recorded flights 502 251 0
Monday · 502 · 502 recorded · 484 measured · Source: BTS · US Department of Transportation Tuesday · 484 · 484 recorded · 463 measured · Source: BTS · US Department of Transportation Wednesday · 463 · 463 recorded · 447 measured · Source: BTS · US Department of Transportation Thursday · 495 · 495 recorded · 476 measured · Source: BTS · US Department of Transportation Friday · 495 · 495 recorded · 485 measured · Source: BTS · US Department of Transportation Saturday · 464 · 464 recorded · 442 measured · Source: BTS · US Department of Transportation Sunday · 496 · 496 recorded · 468 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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View the figures Day of week On-time departures Average departure delay With departure time Recorded flights Monday 78.3% 12.5 min 484 502 Tuesday 88.6% 2.3 min 463 484 Wednesday 81.2% 8.8 min 447 463 Thursday 85.3% 5.3 min 476 495 Friday 82.5% 9.4 min 485 495 Saturday 81.5% 9.8 min 442 464 Sunday 78.0% 10.6 min 468 496
Month of year Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.
On-time departures 100.0 50.0 0.0
Jan · 84.9% · 297 recorded · 264 measured · Source: BTS · US Department of Transportation Feb · 84.7% · 257 recorded · 255 measured · Source: BTS · US Department of Transportation Mar · 80.1% · 294 recorded · 282 measured · Source: BTS · US Department of Transportation Apr · 81.7% · 314 recorded · 300 measured · Source: BTS · US Department of Transportation May · 83.0% · 334 recorded · 318 measured · Source: BTS · US Department of Transportation Jun · 73.2% · 320 recorded · 302 measured · Source: BTS · US Department of Transportation Jul · Fewer than 200 measured departures · 139 recorded · 135 measured · Source: BTS · US Department of Transportation Aug · Fewer than 200 measured departures · 136 recorded · 133 measured · Source: BTS · US Department of Transportation Sep · 82.6% · 277 recorded · 275 measured · Source: BTS · US Department of Transportation Oct · 85.1% · 347 recorded · 343 measured · Source: BTS · US Department of Transportation Nov · 83.7% · 348 recorded · 326 measured · Source: BTS · US Department of Transportation Dec · 86.1% · 336 recorded · 332 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Average departure delay 20.1 10.1 0.0
Jan · 4.1 min · 297 recorded · 264 measured · Source: BTS · US Department of Transportation Feb · 3.8 min · 257 recorded · 255 measured · Source: BTS · US Department of Transportation Mar · 11.3 min · 294 recorded · 282 measured · Source: BTS · US Department of Transportation Apr · 7.8 min · 314 recorded · 300 measured · Source: BTS · US Department of Transportation May · 9.7 min · 334 recorded · 318 measured · Source: BTS · US Department of Transportation Jun · 20.1 min · 320 recorded · 302 measured · Source: BTS · US Department of Transportation Jul · Fewer than 200 measured departures · 139 recorded · 135 measured · Source: BTS · US Department of Transportation Aug · Fewer than 200 measured departures · 136 recorded · 133 measured · Source: BTS · US Department of Transportation Sep · 7.3 min · 277 recorded · 275 measured · Source: BTS · US Department of Transportation Oct · 4.9 min · 347 recorded · 343 measured · Source: BTS · US Department of Transportation Nov · 6.9 min · 348 recorded · 326 measured · Source: BTS · US Department of Transportation Dec · 5.0 min · 336 recorded · 332 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Recorded flights 348 174 0
Jan · 297 · 297 recorded · 264 measured · Source: BTS · US Department of Transportation Feb · 257 · 257 recorded · 255 measured · Source: BTS · US Department of Transportation Mar · 294 · 294 recorded · 282 measured · Source: BTS · US Department of Transportation Apr · 314 · 314 recorded · 300 measured · Source: BTS · US Department of Transportation May · 334 · 334 recorded · 318 measured · Source: BTS · US Department of Transportation Jun · 320 · 320 recorded · 302 measured · Source: BTS · US Department of Transportation Jul · 139 · 139 recorded · 135 measured · Source: BTS · US Department of Transportation Aug · 136 · 136 recorded · 133 measured · Source: BTS · US Department of Transportation Sep · 277 · 277 recorded · 275 measured · Source: BTS · US Department of Transportation Oct · 347 · 347 recorded · 343 measured · Source: BTS · US Department of Transportation Nov · 348 · 348 recorded · 326 measured · Source: BTS · US Department of Transportation Dec · 336 · 336 recorded · 332 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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View the figures Month of year On-time departures Average departure delay With departure time Recorded flights Jan 84.9% 4.1 min 264 297 Feb 84.7% 3.8 min 255 257 Mar 80.1% 11.3 min 282 294 Apr 81.7% 7.8 min 300 314 May 83.0% 9.7 min 318 334 Jun 73.2% 20.1 min 302 320 Jul Fewer than 200 measured departures — 135 139 Aug Fewer than 200 measured departures — 133 136 Sep 82.6% 7.3 min 275 277 Oct 85.1% 4.9 min 343 347 Nov 83.7% 6.9 min 326 348 Dec 86.1% 5.0 min 332 336
Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.
Recorded outcomes On time 78.9% 2,683 Delayed >15 min 17.1% 582 Cancelled 3.9% 134 Missing departure time 0.0% 0 All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.
On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from punctuality and average delay.
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