No delays reported for DL 542 (SEA → ATL) as of 6:46 PM ET. It arrived on time 84.8% of the time in June-August 2026. When it was late, the average delay was 1h 26m. None were cancelled. Right now there are no reported delays at SEA, ATL.
Looks on time
Should be in the air from SEA, scheduled to land at ATL at 9:40 PM local 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 Delta for official times.
Before you fly
Some links are affiliate links.
Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SEA → ATL Seattle, WA to Atlanta, GA | 1:35 PM → 9:40 PM | 85% |
Local times. Schedules change; check your booking.
How reliable is DL 542?
| Arrived on time (within 15 min) | 84.8% |
| Average delay when late | 86 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly DL 542
DL 542 was most reliable on Fridays (100% on time) and least reliable on Thursdays (69%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
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 SEA → ATL
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 542 delayed today?
Right now there are no reported delays at SEA, ATL. Checked 6:46 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 542 usually on time?
DL 542 arrived within 15 minutes of schedule 84.8% of the time in June-August 2026, with an average delay of 86 minutes when late.
How often is DL 542 cancelled?
0% of DL 542 flights were cancelled in June-August 2026.