Flight OO5528
SkyWest Airlines flight OO5528
Looking for OO5528 in the air…
Williston (XWA) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 99 minutes. It was cancelled 0.8% of the time.
- On-time arrivals
- 73.1%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 99 min
- Flights arriving 15+ minutes late
- Flights tracked
- 363
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Air traffic control & airport 27%
- Late-arriving aircraft 27%
- Extreme weather 6%
- 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 | 86.2% | 30 |
| October 2025 | 80.6% | 31 |
| November 2025 | 75.0% | 29 |
| December 2025 | 64.5% | 31 |
| January 2026 | 72.4% | 31 |
| February 2026 | 78.6% | 28 |
| March 2026 | 71.0% | 31 |
| April 2026 | 56.7% | 30 |
| May 2026 | 77.4% | 31 |
| June 2026 | 74.1% | 30 |
| July 2026 | 59.3% | 30 |
| August 2026 | 82.1% | 31 |
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