BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DEN→XWA

Denver, CO (DEN) to Williston, ND (XWA) flight delay odds

75.4% of 1,413 official scheduled DEN-to-XWA flights arrived on time; 15.5% arrived at least 30 minutes late and 1.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
75.4%arrived on time
15.5%30+ min late
1.3%cancelled
1,413scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.8%all scheduled flights
120+ minutes late3.7%all scheduled flights
Diverted1.1%did not reach as scheduled
Average arrival+13.3 mincompleted flights

Which departure time was most reliable for DEN to XWA?

Among qualifying DEN-to-XWA departure window results, Early morning had the highest on-time rate: 86.5% of 126 flights. Evening was lowest at 68.9% across 383 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning12686.5%4.0%0.0%
Late morning36478.0%14.3%0.8%
Afternoon41673.8%17.1%1.7%
Evening38368.9%19.1%1.8%
Night12481.5%14.5%0.8%

Which weekday was most reliable for DEN to XWA?

Among qualifying DEN-to-XWA weekday results, Tuesday had the highest on-time rate: 79.4% of 214 flights. Friday was lowest at 71.9% across 210 flights.

DayFlightsOn time30+ minCancelled
Monday21073.8%20.0%0.0%
Tuesday21479.4%14.0%0.9%
Wednesday20578.0%13.7%1.0%
Thursday20474.0%15.7%1.5%
Friday21071.9%15.2%3.3%
Saturday16377.9%12.3%0.0%
Sunday20772.9%16.9%1.9%

Which airline was most reliable for DEN to XWA?

Only SkyWest Airlines met the DEN-to-XWA airline threshold: 75.4% of 1,413 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,41375.4%15.5%1.3%

Which month was most reliable for DEN to XWA?

Among qualifying DEN-to-XWA month results, September 2025 had the highest on-time rate: 87.6% of 137 flights. December 2025 was lowest at 66.1% across 115 flights.

MonthFlightsOn time30+ minCancelled
July 202515470.1%17.5%1.3%
August 202515073.3%16.0%0.0%
September 202513787.6%6.6%0.0%
October 202512085.0%10.8%0.0%
November 202511283.0%7.1%2.7%
December 202511566.1%25.2%0.9%
January 20269772.2%16.5%6.2%
February 20269779.4%13.4%1.0%
March 202611870.3%18.6%3.4%
April 20268875.0%13.6%0.0%
May 202611474.6%17.5%0.9%
June 202611167.6%23.4%0.0%

What drove DEN to XWA delay minutes?

Airline was the largest recorded DEN-to-XWA delay category, accounting for 34.9% of 26,724 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.9%
Late aircraft31.6%
National airspace15.7%
Weather17.8%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.