No delays reported for DL 660 (ATL → SLC) as of 6:43 PM ET. It arrived on time 65.2% of the time in June-August 2026. When it was late, the average delay was 1h 7m. None were cancelled. Right now there are no reported delays at ATL, SLC.
Looks on time
Next leg ATL → SLC, scheduled 7:34 PM local time. No delays at ATL right now.
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 Delta for official times.
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| ATL → SLC Atlanta, GA to Salt Lake City, UT | 7:34 PM → 9:37 PM | 65% |
Local times. Schedules change; check your booking.
How reliable is DL 660?
| Arrived on time (within 15 min) | 65.2% |
| Average delay when late | 67 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly DL 660
DL 660 was most reliable on Wednesdays (85% on time) and least reliable on Fridays (38%).
| Monday | |
| Tuesday | |
| Wednesday | |
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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 Delta to the Department of Transportation.
Other flights ATL → SLC
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 Delta app.
Delta delays and what you're owed · Airline phone numbers
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 DL 660 delayed today?
Right now there are no reported delays at ATL, SLC. Checked 6:43 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 660 usually on time?
DL 660 arrived within 15 minutes of schedule 65.2% of the time in June-August 2026, with an average delay of 67 minutes when late.
How often is DL 660 cancelled?
0% of DL 660 flights were cancelled in June-August 2026.