Countries › United States › Williston › XWA Williston Basin (XWA) XWA / KXWA
17,291
Williston Basin International Airport handled 17,291 passengers in May 2026, up 2.1% 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 2002–2026 (270 periods).
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From → To
Against 2019 +192,022.2% same month, before the pandemic
Series depth 24 years from 2002
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 17,291 +2.1% US Bureau of Transportation Statistics Open this month → April 2026 15,763 −0.3% US Bureau of Transportation Statistics Open this month → March 2026 16,521 +5.3% US Bureau of Transportation Statistics Open this month → February 2026 14,809 +11.2% US Bureau of Transportation Statistics Open this month → January 2026 14,188 −6.3% US Bureau of Transportation Statistics Open this month → December 2025 17,617 −5.4% US Bureau of Transportation Statistics Open this month → November 2025 18,189 +4.4% US Bureau of Transportation Statistics Open this month → October 2025 21,144 +6.4% US Bureau of Transportation Statistics Open this month → September 2025 19,468 +7.0% US Bureau of Transportation Statistics Open this month → August 2025 18,942 +10.1% US Bureau of Transportation Statistics Open this month → July 2025 19,146 +12.3% US Bureau of Transportation Statistics Open this month → June 2025 17,632 +0.8% US Bureau of Transportation Statistics Open this month → May 2025 16,928 +3.4% US Bureau of Transportation Statistics Open this month → April 2025 15,815 +11.4% US Bureau of Transportation Statistics Open this month → March 2025 15,691 +2.3% US Bureau of Transportation Statistics Open this month → February 2025 13,320 +0.3% US Bureau of Transportation Statistics Open this month → January 2025 15,145 +16.1% US Bureau of Transportation Statistics Open this month → December 2024 18,614 +16.4% US Bureau of Transportation Statistics Open this month → November 2024 17,419 +5.6% US Bureau of Transportation Statistics Open this month → October 2024 19,872 +12.3% US Bureau of Transportation Statistics Open this month → September 2024 18,189 +14.5% US Bureau of Transportation Statistics Open this month → August 2024 17,206 +17.8% US Bureau of Transportation Statistics July 2024 17,051 +18.4% US Bureau of Transportation Statistics June 2024 17,486 +42.7% 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 11:00–12:00 10.4min · 463 recorded · 460 measured
Gap to highest-delay hour 20.3min 11:00 ↔ 17:00
Recorded flights 4,221 Williston Basin International Airport
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 · 85.9% · 266 recorded · 262 measured · Source: BTS · US Department of Transportation 06:00 · 86.9% · 447 recorded · 441 measured · Source: BTS · US Department of Transportation 07:00 · 87.6% · 736 recorded · 724 measured · Source: BTS · US Department of Transportation 08:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 09:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 10:00 · Fewer than 200 measured departures · 84 recorded · 83 measured · Source: BTS · US Department of Transportation 11:00 · 85.9% · 463 recorded · 460 measured · Source: BTS · US Department of Transportation 12:00 · 77.6% · 661 recorded · 653 measured · Source: BTS · US Department of Transportation 13:00 · Fewer than 200 measured departures · 100 recorded · 100 measured · Source: BTS · US Department of Transportation 14:00 · Fewer than 200 measured departures · 148 recorded · 148 measured · Source: BTS · US Department of Transportation 15:00 · 76.9% · 744 recorded · 733 measured · Source: BTS · US Department of Transportation 16:00 · Fewer than 200 measured departures · 18 recorded · 18 measured · Source: BTS · US Department of Transportation 17:00 · 64.8% · 307 recorded · 301 measured · Source: BTS · US Department of Transportation 18:00 · 72.8% · 247 recorded · 239 measured · Source: BTS · US Department of Transportation 19:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 20:00 · No observations · 0 recorded · 0 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 30.7 15.3 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 · 30.2 min · 266 recorded · 262 measured · Source: BTS · US Department of Transportation 06:00 · 20.5 min · 447 recorded · 441 measured · Source: BTS · US Department of Transportation 07:00 · 20.0 min · 736 recorded · 724 measured · Source: BTS · US Department of Transportation 08:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 09:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 10:00 · Fewer than 200 measured departures · 84 recorded · 83 measured · Source: BTS · US Department of Transportation 11:00 · 10.4 min · 463 recorded · 460 measured · Source: BTS · US Department of Transportation 12:00 · 17.8 min · 661 recorded · 653 measured · Source: BTS · US Department of Transportation 13:00 · Fewer than 200 measured departures · 100 recorded · 100 measured · Source: BTS · US Department of Transportation 14:00 · Fewer than 200 measured departures · 148 recorded · 148 measured · Source: BTS · US Department of Transportation 15:00 · 24.5 min · 744 recorded · 733 measured · Source: BTS · US Department of Transportation 16:00 · Fewer than 200 measured departures · 18 recorded · 18 measured · Source: BTS · US Department of Transportation 17:00 · 30.7 min · 307 recorded · 301 measured · Source: BTS · US Department of Transportation 18:00 · 24.4 min · 247 recorded · 239 measured · Source: BTS · US Department of Transportation 19:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 20:00 · No observations · 0 recorded · 0 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 744 372 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 · 266 · 266 recorded · 262 measured · Source: BTS · US Department of Transportation 06:00 · 447 · 447 recorded · 441 measured · Source: BTS · US Department of Transportation 07:00 · 736 · 736 recorded · 724 measured · Source: BTS · US Department of Transportation 08:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 09:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 10:00 · 84 · 84 recorded · 83 measured · Source: BTS · US Department of Transportation 11:00 · 463 · 463 recorded · 460 measured · Source: BTS · US Department of Transportation 12:00 · 661 · 661 recorded · 653 measured · Source: BTS · US Department of Transportation 13:00 · 100 · 100 recorded · 100 measured · Source: BTS · US Department of Transportation 14:00 · 148 · 148 recorded · 148 measured · Source: BTS · US Department of Transportation 15:00 · 744 · 744 recorded · 733 measured · Source: BTS · US Department of Transportation 16:00 · 18 · 18 recorded · 18 measured · Source: BTS · US Department of Transportation 17:00 · 307 · 307 recorded · 301 measured · Source: BTS · US Department of Transportation 18:00 · 247 · 247 recorded · 239 measured · Source: BTS · US Department of Transportation 19:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 20:00 · No observations · 0 recorded · 0 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 85.9% 30.2 min 262 266 06:00 86.9% 20.5 min 441 447 07:00 87.6% 20.0 min 724 736 08:00 No observations — — — 09:00 No observations — — — 10:00 Fewer than 200 measured departures — 83 84 11:00 85.9% 10.4 min 460 463 12:00 77.6% 17.8 min 653 661 13:00 Fewer than 200 measured departures — 100 100 14:00 Fewer than 200 measured departures — 148 148 15:00 76.9% 24.5 min 733 744 16:00 Fewer than 200 measured departures — 18 18 17:00 64.8% 30.7 min 301 307 18:00 72.8% 24.4 min 239 247 19:00 No observations — — — 20:00 No observations — — — 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 · 77.1% · 632 recorded · 625 measured · Source: BTS · US Department of Transportation Tuesday · 80.2% · 622 recorded · 612 measured · Source: BTS · US Department of Transportation Wednesday · 81.4% · 614 recorded · 607 measured · Source: BTS · US Department of Transportation Thursday · 82.2% · 613 recorded · 607 measured · Source: BTS · US Department of Transportation Friday · 82.1% · 626 recorded · 613 measured · Source: BTS · US Department of Transportation Saturday · 80.0% · 489 recorded · 480 measured · Source: BTS · US Department of Transportation Sunday · 79.0% · 625 recorded · 618 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Average departure delay 26.5 13.3 0.0
Monday · 25.9 min · 632 recorded · 625 measured · Source: BTS · US Department of Transportation Tuesday · 19.1 min · 622 recorded · 612 measured · Source: BTS · US Department of Transportation Wednesday · 20.7 min · 614 recorded · 607 measured · Source: BTS · US Department of Transportation Thursday · 17.0 min · 613 recorded · 607 measured · Source: BTS · US Department of Transportation Friday · 17.6 min · 626 recorded · 613 measured · Source: BTS · US Department of Transportation Saturday · 19.1 min · 489 recorded · 480 measured · Source: BTS · US Department of Transportation Sunday · 26.5 min · 625 recorded · 618 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Recorded flights 632 316 0
Monday · 632 · 632 recorded · 625 measured · Source: BTS · US Department of Transportation Tuesday · 622 · 622 recorded · 612 measured · Source: BTS · US Department of Transportation Wednesday · 614 · 614 recorded · 607 measured · Source: BTS · US Department of Transportation Thursday · 613 · 613 recorded · 607 measured · Source: BTS · US Department of Transportation Friday · 626 · 626 recorded · 613 measured · Source: BTS · US Department of Transportation Saturday · 489 · 489 recorded · 480 measured · Source: BTS · US Department of Transportation Sunday · 625 · 625 recorded · 618 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 77.1% 25.9 min 625 632 Tuesday 80.2% 19.1 min 612 622 Wednesday 81.4% 20.7 min 607 614 Thursday 82.2% 17.0 min 607 613 Friday 82.1% 17.6 min 613 626 Saturday 80.0% 19.1 min 480 489 Sunday 79.0% 26.5 min 618 625
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 · 68.6% · 362 recorded · 347 measured · Source: BTS · US Department of Transportation Feb · 73.6% · 336 recorded · 330 measured · Source: BTS · US Department of Transportation Mar · 79.8% · 384 recorded · 376 measured · Source: BTS · US Department of Transportation Apr · 79.5% · 349 recorded · 347 measured · Source: BTS · US Department of Transportation May · 87.4% · 393 recorded · 389 measured · Source: BTS · US Department of Transportation Jun · 80.2% · 407 recorded · 404 measured · Source: BTS · US Department of Transportation Jul · 76.6% · 216 recorded · 214 measured · Source: BTS · US Department of Transportation Aug · 79.7% · 238 recorded · 236 measured · Source: BTS · US Department of Transportation Sep · 89.9% · 395 recorded · 395 measured · Source: BTS · US Department of Transportation Oct · 91.6% · 395 recorded · 393 measured · Source: BTS · US Department of Transportation Nov · 84.1% · 365 recorded · 352 measured · Source: BTS · US Department of Transportation Dec · 67.8% · 381 recorded · 379 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 44.6 22.3 0.0
Jan · 35.4 min · 362 recorded · 347 measured · Source: BTS · US Department of Transportation Feb · 27.2 min · 336 recorded · 330 measured · Source: BTS · US Department of Transportation Mar · 22.2 min · 384 recorded · 376 measured · Source: BTS · US Department of Transportation Apr · 23.7 min · 349 recorded · 347 measured · Source: BTS · US Department of Transportation May · 8.1 min · 393 recorded · 389 measured · Source: BTS · US Department of Transportation Jun · 19.3 min · 407 recorded · 404 measured · Source: BTS · US Department of Transportation Jul · 26.0 min · 216 recorded · 214 measured · Source: BTS · US Department of Transportation Aug · 23.0 min · 238 recorded · 236 measured · Source: BTS · US Department of Transportation Sep · 2.8 min · 395 recorded · 395 measured · Source: BTS · US Department of Transportation Oct · 5.3 min · 395 recorded · 393 measured · Source: BTS · US Department of Transportation Nov · 20.6 min · 365 recorded · 352 measured · Source: BTS · US Department of Transportation Dec · 44.6 min · 381 recorded · 379 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 407 204 0
Jan · 362 · 362 recorded · 347 measured · Source: BTS · US Department of Transportation Feb · 336 · 336 recorded · 330 measured · Source: BTS · US Department of Transportation Mar · 384 · 384 recorded · 376 measured · Source: BTS · US Department of Transportation Apr · 349 · 349 recorded · 347 measured · Source: BTS · US Department of Transportation May · 393 · 393 recorded · 389 measured · Source: BTS · US Department of Transportation Jun · 407 · 407 recorded · 404 measured · Source: BTS · US Department of Transportation Jul · 216 · 216 recorded · 214 measured · Source: BTS · US Department of Transportation Aug · 238 · 238 recorded · 236 measured · Source: BTS · US Department of Transportation Sep · 395 · 395 recorded · 395 measured · Source: BTS · US Department of Transportation Oct · 395 · 395 recorded · 393 measured · Source: BTS · US Department of Transportation Nov · 365 · 365 recorded · 352 measured · Source: BTS · US Department of Transportation Dec · 381 · 381 recorded · 379 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 68.6% 35.4 min 347 362 Feb 73.6% 27.2 min 330 336 Mar 79.8% 22.2 min 376 384 Apr 79.5% 23.7 min 347 349 May 87.4% 8.1 min 389 393 Jun 80.2% 19.3 min 404 407 Jul 76.6% 26.0 min 214 216 Aug 79.7% 23.0 min 236 238 Sep 89.9% 2.8 min 395 395 Oct 91.6% 5.3 min 393 395 Nov 84.1% 20.6 min 352 365 Dec 67.8% 44.6 min 379 381
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 79.2% 3,341 Delayed >15 min 19.5% 821 Cancelled 1.4% 59 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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