No delays reported for OO 6439 (CLT→TYS, TYS→CLT) as of 6:46 PM ET. It arrived on time 63.6% of the time in June-August 2026. When it was late, the average delay was 2h 24m. 2% of flights were cancelled. Right now there are no reported delays at CLT, TYS.
May not fly today
Leg 2 of 2 (TYS → CLT): Should be in the air from TYS, scheduled to land at CLT at 7:35 PM local time. This flight number flew about 4 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Low 2% 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.
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| CLT → TYS Charlotte, NC to Knoxville, TN | 4:15 PM → 5:37 PM | 64% |
| TYS → CLT Knoxville, TN to Charlotte, NC | 6:07 PM → 7:35 PM | 63% |
Local times. Schedules change; check your booking.
How reliable is OO 6439?
| Arrived on time (within 15 min) | 63.6% |
| Average delay when late | 144 min |
| Cancelled | 2% |
| Diverted | 1% |
| Flights tracked | 102 |
Best and worst days to fly OO 6439
OO 6439 was most reliable on Wednesdays (100% on time) and least reliable on Mondays (39%).
| Monday | |
| Tuesday | |
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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 CLT → TYS
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 6439 delayed today?
Right now there are no reported delays at CLT, TYS. Checked 6:46 PM ET. For this flight's gate and exact status, check the SkyWest app.
Is OO 6439 usually on time?
OO 6439 arrived within 15 minutes of schedule 63.6% of the time in June-August 2026, with an average delay of 144 minutes when late.
How often is OO 6439 cancelled?
2% of OO 6439 flights were cancelled in June-August 2026.