Likely delayed: there are delays at OO 5578's airports as of 6:46 PM ET. It arrived on time 47.8% of the time in June-August 2026. When it was late, the average delay was 1h 10m. None were cancelled. SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed.
Looks on time
Next leg PSC → SFO, scheduled 1:35 PM local time. No delays at PSC right now.
Cancellation risk: Medium 0% of its flights were cancelled in June-August 2026; SFO has major delays.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check SkyWest for official times.
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| PSC → SFO Pasco/Kennewick/Richland, WA to San Francisco, CA | 1:35 PM → 3:44 PM | 48% |
Local times. Schedules change; check your booking.
How reliable is OO 5578?
| Arrived on time (within 15 min) | 47.8% |
| Average delay when late | 70 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly OO 5578
OO 5578 was most reliable on Tuesdays (69% on time) and least reliable on Mondays (21%).
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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 → SFO
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 5578 delayed today?
SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed. Checked 6:46 PM ET. For this flight's gate and exact status, check the SkyWest app.
Is OO 5578 usually on time?
OO 5578 arrived within 15 minutes of schedule 47.8% of the time in June-August 2026, with an average delay of 70 minutes when late.
How often is OO 5578 cancelled?
0% of OO 5578 flights were cancelled in June-August 2026.