No delays reported for OO 4721 (PSC→DEN, DEN→XWA) as of 6:47 PM ET. It arrived on time 78.5% of the time in June-August 2026. When it was late, the average delay was 1h 17m. 2.6% of flights were cancelled. Right now there are no reported delays at PSC, DEN, XWA.
Looks on time
Leg 2 of 2 (DEN → XWA): Next leg DEN → XWA, scheduled 7:19 PM local time. No delays at DEN right now.
Cancellation risk: Low 2.6% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check SkyWest for official times.
Before you fly
Some links are affiliate links.
Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| PSC → DEN Pasco/Kennewick/Richland, WA to Denver, CO | 12:08 PM → 3:42 PM | 88% |
| DEN → XWA Denver, CO to Williston, ND | 7:19 PM → 10:15 PM | 38% |
Local times. Schedules change; check your booking.
How reliable is OO 4721?
| Arrived on time (within 15 min) | 78.5% |
| Average delay when late | 77 min |
| Cancelled | 2.6% |
| Diverted | 4.3% |
| Flights tracked | 115 |
Best and worst days to fly OO 4721
OO 4721 was most reliable on Tuesdays (88% on time) and least reliable on Wednesdays (67%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by SkyWest to the Department of Transportation.
Other flights PSC → DEN
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the SkyWest app.
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is OO 4721 delayed today?
Right now there are no reported delays at PSC, DEN, XWA. Checked 6:47 PM ET. For this flight's gate and exact status, check the SkyWest app.
Is OO 4721 usually on time?
OO 4721 arrived within 15 minutes of schedule 78.5% of the time in June-August 2026, with an average delay of 77 minutes when late.
How often is OO 4721 cancelled?
2.6% of OO 4721 flights were cancelled in June-August 2026.