No delays reported for DL 1159 (SNA→SLC, PHL→ATL) as of 6:47 PM ET. It arrived on time 74.7% of the time in June-August 2026. When it was late, the average delay was 1h 34m. 1.1% of flights were cancelled. Right now there are no reported delays at SNA, SLC, PHL, ATL.
Looks on time
Leg 2 of 2 (PHL → ATL): Should be in the air from PHL, scheduled to land at ATL at 8:40 PM local time.
Cancellation risk: Low 1.1% 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 |
|---|---|---|
| SNA → SLC Santa Ana, CA to Salt Lake City, UT | 1:44 PM → 4:40 PM | 74% |
| PHL → ATL Philadelphia, PA to Atlanta, GA | 6:24 PM → 8:40 PM | 83% |
Local times. Schedules change; check your booking.
How reliable is DL 1159?
| Arrived on time (within 15 min) | 74.7% |
| Average delay when late | 94 min |
| Cancelled | 1.1% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly DL 1159
DL 1159 was most reliable on Tuesdays (100% on time) and least reliable on Mondays (57%).
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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 SNA → 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 1159 delayed today?
Right now there are no reported delays at SNA, SLC, PHL, ATL. Checked 6:47 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 1159 usually on time?
DL 1159 arrived within 15 minutes of schedule 74.7% of the time in June-August 2026, with an average delay of 94 minutes when late.
How often is DL 1159 cancelled?
1.1% of DL 1159 flights were cancelled in June-August 2026.