SkyWest Airlines
Is OO428U delayed?
No — OO428U is on schedule (14 min behind), expected in Williston at 16:08 on Sep 3.
On schedule (14 min behind)
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Denver
DEN
Actual
Scheduled 13:40
Sep 3
Arrival
Williston
XWA
Estimated
Scheduled 15:54
Sep 3
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Is OO428U usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Denver (DEN) departures
- Left more than 15 min late
- 86 of 570
- Cancelled today
- 4
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|
Email me if OO428U runs late
We email you if your next OO428U flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.