Williston Basin International Airport (XWA) delays & on-time performance
Williston, North Dakota · 3 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at XWA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
78%
arrived < 15 min late
Cancelled
1.5%
36 flights
Avg arrival delay
26 min
114 min when late
Departed on time
80%
avg taxi-out 26 min
Figures cover 2,411 departures from XWA; on-time is measured at arrival. Arrivals into XWA were on time 78% of the time.
Key facts
- Flights departing Williston Basin International Airport (XWA) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 1.5% were cancelled, and 11% arrived an hour or more late.
- Departures scheduled around 7am did best (86% on time); around 5pm did worst (55%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (59%).
Most delayed routes from XWA
Lowest on-time arrival rates among regularly flown routes.
- DEN · Denver77%1,371 flts
- MSP · Minneapolis80%1,039 flts
Most reliable routes from XWA
Highest on-time arrival rates among regularly flown routes.
- MSP · Minneapolis80%1,039 flts
- DEN · Denver77%1,371 flts
Best airline at XWA
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 78% | 1.5% | 26 min | 3 | 2,411 |
Best time to fly out of XWA
On-time arrival rate by scheduled departure hour (local time).
- 5am79%263 flts
- 6am80%150 flts
- 7am86%364 flts
- 10am76%83 flts
- 11am81%231 flts
- 12pm81%361 flts
- 1pm67%61 flts
- 2pm77%90 flts
- 3pm77%525 flts
- 5pm55%64 flts
- 6pm69%219 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)59%
- Air traffic control & airport congestion15%
- Extreme weather15%
- Late-arriving aircraft11%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.