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Airport Reliability

XWA · Williston

Williston, ND (XWA)

80%
Departures within 15 minutes
22 min
Average departure delay
78%
Arrivals within 15 minutes
1.6%
Departures cancelled

Based on 2,440 departures and 2,438 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from XWA departing between 6–9 AM arrived on time 84% of the time, versus 69% between 3–6 PM.

Saturday comes out ahead.

A small edge: 80% on time on Saturdays against 75% on Thursdays.

Trending in the right direction.

Departures from XWA arrived on time 80% of the time over the last three months in the data, compared with 70% in the three months before that.

When XWA gets messy

On-time by departure window
  • 3–6 AM81%(224 flights)
  • 6–9 AM84%(599 flights)
  • 9 AM–12 PM79%(325 flights)
  • 12–3 PM79%(508 flights)
  • 3–6 PM69%(571 flights)
  • 6–9 PM74%(160 flights)
On-time by weekday
  • Mon76%(357 flights)
  • Tue79%(354 flights)
  • Wed80%(353 flights)
  • Thu75%(344 flights)
  • Fri75%(350 flights)
  • Sat80%(275 flights)
  • Sun78%(354 flights)
On-time trend by month
90%
May

Jun 73% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%205
July 202571%210
August 202578%233
September 202588%222
October 202586%209
November 202582%190
December 202560%201
January 202674%170
February 202676%177
March 202674%199
April 202677%173
May 202690%198

Airlines departing XWA

Busiest routes from XWA

Based on 2,440 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.