No delays reported for OO 4660 (HLN → DEN) as of 6:46 PM ET. It arrived on time 91.3% of the time in June-August 2026. When it was late, the average delay was 44 minutes. None were cancelled. Right now there are no reported delays at HLN, DEN.
Looks on time
Next leg HLN → DEN, scheduled 6:15 AM local time. No delays at HLN right now, and it usually runs on time.
Cancellation risk: Low 0% 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
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| HLN → DEN Helena, MT to Denver, CO | 6:15 AM → 8:13 AM | 91% |
Local times. Schedules change; check your booking.
How reliable is OO 4660?
| Arrived on time (within 15 min) | 91.3% |
| Average delay when late | 44 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly OO 4660
OO 4660 was most reliable on Thursdays (100% on time) and least reliable on Fridays (85%).
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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 HLN → 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 4660 delayed today?
Right now there are no reported delays at HLN, DEN. Checked 6:46 PM ET. For this flight's gate and exact status, check the SkyWest app.
Is OO 4660 usually on time?
OO 4660 arrived within 15 minutes of schedule 91.3% of the time in June-August 2026, with an average delay of 44 minutes when late.
How often is OO 4660 cancelled?
0% of OO 4660 flights were cancelled in June-August 2026.