Route
XWA → DEN
Williston Basin International Airport Denver International Airport
582 miles
Return route DEN → XWA →
How punctual is this route?
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 103 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,333
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 46%
- Air traffic control & airport 24%
- Late-arriving aircraft 21%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.8% | 137 |
| October 2025 | 82.5% | 120 |
| November 2025 | 82.6% | 112 |
| December 2025 | 60.5% | 116 |
| January 2026 | 79.5% | 96 |
| February 2026 | 75.3% | 97 |
| March 2026 | 67.8% | 119 |
| April 2026 | 74.7% | 87 |
| May 2026 | 86.0% | 115 |
| June 2026 | 75.9% | 111 |
| July 2026 | 72.0% | 111 |
| August 2026 | 73.8% | 112 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 1,333 | 76.7% | 1.3% | 103 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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